header image

[Sign Up Now] to Receive Our FREE Daily SCVTV-SCVNews Digest by E-Mail

Inside
Weather
Santa Clarita CA
Mostly cloudy
Mostly cloudy
51°F
 
Calendar
Today in
S.C.V. History
April 21
1994 - Valencia Mercedes co-owner Eddie Murray sets MLB record for switch-hit home runs in games (11 times) [story]
Eddie Murray


Clarification/Statement from Princess Cruises, 3/25/2020:

The [original] headline saying the virus was “live” is actually incorrect.

Princess Cruises volunteered to preserve select staterooms onboard Diamond Princess, known to have been occupied by positive cases. This testing was done in full collaboration with the Japan Ministry of Health and U.S. CDC. This testing was designed to support these two public health agencies in collecting more data to support further research of the virus. According to epidemiologists with Japan’s National Institute of Infectious Diseases, what was detected on surfaces was SARS-CoV-2 RNA*, NOT live virus, in select cruise ship cabins after they were vacated, and this testing was intentionally conducted before disinfection occurred. These findings were expected because Princess Cruises voluntarily preserved these staterooms for this testing.

*RNA, short for ribonucleic acid, is genetic material which carries the genetic information of many viruses. It can indicate if the virus was present but does not indicate the virus was still alive.

The findings do not indicate that transmission of the virus that causes COVID-19, was transmitted via these surfaces. More research must be completed to determine if virus can be transmitted by SARS-CoV-2 fomites (objects or materials which are likely to carry infection, such as clothes, utensils, and furniture).

=====

From CDC press release, 3/23/2020 (below):

COVID-19 “was identified on a variety of surfaces in cabins of both symptomatic and asymptomatic infected passengers up to 17 days after cabins were vacated on the Diamond Princess but before disinfection procedures had been conducted,” according to a new report from the CDC.

Note: SARS-CoV-2 is the technical name of the virus that causes the COVID-19 disease, aka the “novel coronavirus.”

=====

Original CDC press release follows:

 

CDC, March 23, 2020 —

Summary

What is already known about this topic?

Cruise ships are often settings for outbreaks of infectious diseases because of their closed environment and contact between travelers from many countries.

What is added by this report?

More than 800 cases of laboratory-confirmed COVID-19 cases occurred during outbreaks on three cruise ship voyages, and cases linked to several additional cruises have been reported across the United States. Transmission occurred across multiple voyages from ship to ship by crew members; both crew members and passengers were affected; 10 deaths associated with cruise ships have been reported to date.

What are the implications for public health practice?

Outbreaks of COVID-19 on cruise ships pose a risk for rapid spread of disease beyond the voyage. Aggressive efforts are required to contain spread. All persons should defer all cruise travel worldwide during the COVID-19 pandemic.

=====

An estimated 30 million passengers are transported on 272 cruise ships worldwide each year* (1). Cruise ships bring diverse populations into proximity for many days, facilitating transmission of respiratory illness (2). SARS-CoV-2, the virus that causes coronavirus disease (COVID-19) was first identified in Wuhan, China, in December 2019 and has since spread worldwide to at least 187 countries and territories. Widespread COVID-19 transmission on cruise ships has been reported as well (3).

Passengers on certain cruise ship voyages might be aged ≥65 years, which places them at greater risk for severe consequences of SARS-CoV-2 infection (4). During February–March 2020, COVID-19 outbreaks associated with three cruise ship voyages have caused more than 800 laboratory-confirmed cases among passengers and crew, including 10 deaths.

Transmission occurred across multiple voyages of several ships. This report describes public health responses to COVID-19 outbreaks on these ships. COVID-19 on cruise ships poses a risk for rapid spread of disease, causing outbreaks in a vulnerable population, and aggressive efforts are required to contain spread.

All persons should defer all cruise travel worldwide during the COVID-19 pandemic.

RELATED: Princess Parent Offers Cruise Ships as Temporary Hospitals

During February 7–23, 2020, the largest cluster of COVID-19 cases outside mainland China occurred on the Diamond Princess cruise ship, which was quarantined in the port of Yokohama, Japan, on February 3 (3).

On March 6, cases of COVID-19 were identified in persons on the Grand Princess cruise ship off the coast of California; that ship was subsequently quarantined. By March 17, confirmed cases of COVID-19 had been associated with at least 25 additional cruise ship voyages.

On February 21, CDC recommended avoiding travel on cruise ships in Southeast Asia; on March 8, this recommendation was broadened to include deferring all cruise ship travel worldwide for those with underlying health conditions and for persons aged ≥65 years.

On March 13, the Cruise Lines International Association announced a 30-day voluntary suspension of cruise operations in the United States (5). CDC issued a level 3 travel warning on March 17, recommending that all cruise travel be deferred worldwide.

Diamond Princess

On January 20, 2020, the Diamond Princess cruise ship departed Yokohama, Japan, carrying approximately 3,700 passengers and crew (see table below).

On January 25, a symptomatic passenger departed the ship in Hong Kong, where he was evaluated; testing confirmed SARS-CoV-2 infection.

On February 3, the ship returned to Japan, after making six stops in three countries. Japanese authorities were notified of the COVID-19 diagnosis in the passenger who disembarked in Hong Kong, and the ship was quarantined. Information about social distancing and monitoring of symptoms was communicated to passengers.

On February 5, passengers were quarantined in their cabins; crew continued to work and, therefore, could not be isolated in their cabins (6). Initially, travelers with fever or respiratory symptoms and their close contacts were tested for SARS-CoV-2 by reverse transcription–polymerase chain reaction (RT-PCR). All those with positive test results were disembarked and hospitalized.

Testing was later expanded to support a phased disembarkation of passengers, prioritizing testing of older persons, those with underlying medical conditions, and those in internal cabins with no access to the outdoors.

During February 16–23, nearly 1,000 persons were repatriated by air to their home countries, including 329 persons who returned to the United States and entered quarantine or isolation.

The remaining passengers who had negative SARS-CoV-2 RT-PCR test results,** no respiratory symptoms, and no close contact with a person with a confirmed case of COVID-19 completed a 14-day ship-based quarantine before disembarkation. Those passengers who had close contact with a person with a confirmed case completed land-based quarantine, with duration determined by date of last contact.

After disembarkation of all passengers, crew members either completed a 14-day ship-based quarantine, were repatriated to and managed in their home country, or completed a 14-day land-based quarantine in Japan.

Overall, 111 (25.9%) of 428 U.S. citizens and legal residents did not join repatriation flights either because they had been hospitalized in Japan or for other reasons. To mitigate SARS-CoV-2 importation into the United States, CDC used temporary “Do Not Board” restrictions (7) to prevent commercial airline travel to the United States,†† and the U.S. Departments of State and Homeland Security restricted travel to the United States for non-U.S. travelers.

Among 3,711 Diamond Princess passengers and crew, 712 (19.2%) had positive test results for SARS-CoV-2 (Figure 1). Of these, 331 (46.5%) were asymptomatic at the time of testing. Among 381 symptomatic patients, 37 (9.7%) required intensive care, and nine (1.3%) died (8).

Infections also occurred among three Japanese responders, including one nurse, one quarantine officer, and one administrative officer (9). As of March 13, among 428 U.S. passengers and crew, 107 (25.0%) had positive test results for COVID-19; 11 U.S. passengers remain hospitalized in Japan (median age = 75 years), including seven in serious condition (median age = 76 years).

Grand Princess

During February 11–21, 2020, the Grand Princess cruise ship sailed roundtrip from San Francisco, California, making four stops in Mexico (voyage A). Most of the 1,111 crew and 68 passengers from voyage A remained on board for a second voyage that departed San Francisco on February 21 (voyage B), with a planned return on March 7 (Table).

On March 4, a clinician in California reported two patients with COVID-19 symptoms who had traveled on voyage A, one of whom had positive test results for SARS-CoV-2. CDC notified the cruise line, which began canceling group activities on voyage B. More than 20 additional cases of COVID-19 among persons who did not travel on voyage B have been identified from Grand Princess voyage A, the majority in California. One death has been reported.

On March 5, a response team was transported by helicopter to the ship to collect specimens from 45 passengers and crew with respiratory symptoms for SARS-CoV-2 testing; 21 (46.7%), including two passengers and 19 crew, had positive test results. Passengers and symptomatic crew members were asked to self-quarantine in their cabins, and room service replaced public dining until disembarkation.

Following docking in Oakland, California, on March 8, passengers and crew were transferred to land-based sites for a 14-day quarantine period or isolation. Persons requiring medical attention for other conditions or for symptoms consistent with COVID-19 were evaluated, tested for SARS-CoV-2 infection, and hospitalized if indicated.

During land-based quarantine in the United States, all persons were offered SARS-CoV-2 testing. As of March 21, of 469 persons with available test results, 78 (16.6%) had positive test results for SARS-CoV-2. Repatriation flights for foreign nationals were organized by several governments in coordination with U.S. federal and California state government agencies.

Following disinfection of the vessel according to guidance from CDC’s Vessel Sanitation Program, remaining foreign nationals will complete quarantine on board. The quarantine will be managed by the cruise company, with technical assistance provided by public health experts.

On February 21, five crew members from voyage A transferred to three other ships with a combined 13,317 passengers on board. No-sail orders§§ were issued by CDC for these ships until medical logs were reviewed and the crew members tested negative for SARS-CoV-2.

Additional Ships

The Diamond Princess and Grand Princess had more than 800 total COVID-19 cases, including 10 deaths. During February 3–March 13, in the United States, approximately 200 cases of COVID-19 were confirmed among returned cruise travelers from multiple ship voyages, including the Diamond Princess and Grand Princess, accounting for approximately 17% of total reported U.S. cases at the time (10).

Cases linked with cruise travel have been reported to CDC in at least 15 states. Since February, multiple international cruises have been implicated in reports of COVID-19 cases, including at least 60 cases in the United States from Nile River cruises in Egypt (Figure 2). Secondary community-acquired cases linked to returned passengers on cruises have also been reported (CDC, unpublished data, 2020).

Discussion

Public health responses to COVID-19 outbreaks on cruise ships were aimed at limiting transmission among passengers and crew, preventing exportation of COVID-19 to other communities, and assuring the safety of travelers and responders. These responses required the coordination of stakeholders across multiple sectors, including U.S. Government departments and agencies, foreign ministries of health, foreign embassies, state and local public health departments, hospitals, laboratories, and cruise ship companies.

At the time of the Diamond Princess outbreak, it became apparent that passengers disembarking from cruise ships could be a source of community transmission. Therefore, aggressive efforts to contain transmission on board and prevent further transmission upon disembarkation and repatriation were instituted.

These efforts included travel restrictions applied to persons, movement restrictions applied to ships, infection prevention and control measures, (e.g., use of personal protective equipment for medical and cleaning staff), disinfection of the cabins of persons with suspected COVID-19, provision of communication materials, notification of state health departments, and investigation of contacts of cases identified among U.S. returned travelers.

Cruise ships are often settings for outbreaks of infectious diseases because of their closed environment, contact between travelers from many countries, and crew transfers between ships.

On the Diamond Princess, transmission largely occurred among passengers before quarantine was implemented, whereas crew infections peaked after quarantine (6). On the Grand Princess, crew members were likely infected on voyage A and then transmitted SARS-CoV-2 to passengers on voyage B. The results of testing of passengers and crew on board the Diamond Princess demonstrated a high proportion (46.5%) of asymptomatic infections at the time of testing. Available statistical models of the Diamond Princess outbreak suggest that 17.9% of infected persons never developed symptoms (9).

A high proportion of asymptomatic infections could partially explain the high attack rate among cruise ship passengers and crew. SARS-CoV-2 RNA was identified on a variety of surfaces in cabins of both symptomatic and asymptomatic infected passengers up to 17 days after cabins were vacated on the Diamond Princess but before disinfection procedures had been conducted (Takuya Yamagishi, National Institute of Infectious Diseases, personal communication, 2020).

Although these data cannot be used to determine whether transmission occurred from contaminated surfaces, further study of fomite transmission of SARS-CoV-2 aboard cruise ships is warranted.

During the initial stages of the COVID-19 pandemic, the Diamond Princess was the setting of the largest outbreak outside mainland China. Many other cruise ships have since been implicated in SARS-CoV-2 transmission. Factors that facilitate spread on cruise ships might include mingling of travelers from multiple geographic regions and the closed nature of a cruise ship environment.

This is particularly concerning for older passengers, who are at increased risk for serious complications of COVID-19 (4). The Grand Princess was an example of perpetuation of transmission from crew members across multiple consecutive voyages and the potential introduction of the virus to passengers and crew on other ships.

Public health responses to cruise ship outbreaks require extensive resources. Temporary suspension of cruise ship travel during the current phase of the COVID-19 pandemic has been partially implemented by cruise lines through voluntary suspensions of operations, and by CDC through its unprecedented use of travel notices and warnings for conveyances to limit disease transmission (5).

Acknowledgments

Staff members responding to COVID-19 outbreaks on cruise ships; Japan’s Ministry of Health, Labour and Welfare; California Department of Public Health; cruise ship passengers; Princess Cruises; Christina Armantas, Matthew Bacinskas, Cynthia Bernas, Brandon Brown, Teal Bullick, Lyndsey Chaille, Martin Cilnis, Gail Cooksey, Ydelita Gonzales, Christopher Kilonzo, Chun Kim, Ruth Lopez, Dominick Morales, Chris Preas, Kyle Rizzo, Hilary Rosen, Sarah Rutschmann, Maria Vu, California Department of Public Health, Richmond and Sacramento; Ben Gammon, Ted Selby, Solano County Public Health; Medic Ambulance Service; NorthBay HealthCare; Sutter Solano Medical Center; Kaiser Permanente Vallejo Medical Center; Kaiser Permanente Vacaville Medical Center.

 

CDC Cruise Ship Response Team

Casey Barton Behravesh, CDC; Adam Bjork, CDC; William Bower, CDC; Catherine Bozio, CDC; Zachary Braden, CDC; Mary Catherine Bertulfo, CDC; Kevin Chatham-Stephens, CDC; Victoria Chu, CDC; Barbara Cooper, CDC; Kathleen Dooling, CDC; Christine Dubray, CDC; Emily Curren, CDC; Margaret A. Honein, CDC; Kathryn Ivey, CDC; Jefferson Jones, CDC; Melissa Kadzik, CDC; Nancy Knight, CDC; Mariel Marlow, CDC; Audrey McColloch, CDC; Robert McDonald, CDC; Andrew Klevos, CDC; Sarah Poser, CDC; Robin A. Rinker, CDC; Troy Ritter, CDC; Luis Rodriguez, CDC; Matthew Ryan, CDC; Zachary Schneider, CDC; Caitlin Shockey, CDC; Jill Shugart, CDC; Margaret Silver, CDC; Paul W. Smith, CDC; Farrell Tobolowsky, CDC; Aimee Treffiletti, CDC; Megan Wallace, CDC; Jonathan Yoder, CDC.

 

California Department of Public Health COVID-19 Team

Pennan Barry, California Department of Public Health; Ricardo Berumen, III, California Department of Public Health; Brooke Bregman, California Department of Public Health; Kevin Campos, California Department of Public Health; Shua Chai, California Department of Public Health; Rosie Glenn-Finer, California Department of Public Health; Hugo Guevara, California Department of Public Health; Jill Hacker, California Department of Public Health; Kristina Hsieh, California Department of Public Health; Mary Kate Morris, California Department of Public Health; Ryan Murphy, California Department of Public Health; Jennifer F. Myers, California Department of Public Health; Tasha Padilla, California Department of Public Health; Chao-Yang Pan, California Department of Public Health; Adam Readhead, California Department of Public Health; Estela Saguar, California Department of Public Health; Maria Salas, California Department of Public Health; Robert E. Snyder, California Department of Public Health; Duc Vugia, California Department of Public Health; James Watt, California Department of Public Health; Cindy Wong, California Department of Public Health.

 

Solano County COVID-19 Team

Meileen Acosta, Solano County Department of Public Health; Shai Davis, Solano County Department of Public Health; Beatrix Kapuszinsky, Solano County Department of Public Health; Bela Matyas, Solano County Department of Public Health; Glen Miller, Solano County Department of Public Health; Asundep Ntui, Solano County Department of Public Health; Jayleen Richards, Solano County Department of Public Health.

 

Comment On This Story
COMMENT POLICY: We welcome comments from individuals and businesses. All comments are moderated. Comments are subject to rejection if they are vulgar, combative, or in poor taste.
REAL NAMES ONLY: All posters must use their real individual or business name. This applies equally to Twitter account holders who use a nickname.

0 Comments

You can be the first one to leave a comment.

Leave a Comment


SCV NewsBreak
LOCAL NEWS HEADLINES
Tuesday, Apr 20, 2021
L.A. County Unveils 2021-22 $36.2 Billion Proposed Budget
Los Angeles County’s $36.2 billion Recommended Budget, focused on expanding and sustaining extensive safety net services, will be presented to the Board of Supervisors on Tuesday, by Chief Executive Officer Fesia Davenport.
Tuesday, Apr 20, 2021
Tuesday COVID-19 Roundup: L.A. County Remains in Orange Tier; SCV Cases Total 27,595
The Los Angeles County Department of Public Health confirmed Tuesday 33 new deaths and 360 new cases of COVID-19, with 27,595 total cases in the Santa Clarita Valley.
Tuesday, Apr 20, 2021
Westfield Halts Plans to Bring Costco to Town Center
Westfield Valencia Town Center officials announced Monday they’re halting plans to expand the mall with a 101,000-square-foot Costco and other amenities.
Keep Up With Our Facebook

Latest Additions to SCVNews.com
1994 - Valencia Mercedes co-owner Eddie Murray sets MLB record for switch-hit home runs in games (11 times) [story]
Eddie Murray
College of the Canyons proudly welcomes highly esteemed songwriters for Broadway and film, Lynn Ahrens & Stephen Flaherty, to the School of Visual & Performing Arts’ Virtual Industry Insight Series on Tuesday, April 27.
April 27: COC Presents an Evening with Songwriters Lynn Ahrens, Stephen Flaherty
Los Angeles County’s $36.2 billion Recommended Budget, focused on expanding and sustaining extensive safety net services, will be presented to the Board of Supervisors on Tuesday, by Chief Executive Officer Fesia Davenport.
L.A. County Unveils 2021-22 $36.2 Billion Proposed Budget
The Los Angeles County Department of Public Health confirmed Tuesday 33 new deaths and 360 new cases of COVID-19, with 27,595 total cases in the Santa Clarita Valley.
Tuesday COVID-19 Roundup: L.A. County Remains in Orange Tier; SCV Cases Total 27,595
As the inventory of homes listed for sale during March in Santa Clarita fell 38.3 percent, sales of homes and condominiums took off, with the condo median price setting a record, the Southland Regional Association of Realtors reported Tuesday.
Median Price of SCV Condominiums Sets Record
The Santa Clarita Valley Chamber of Commerce announced Tuesday their plans to unveil the 12 Months of Quarantine photo exhibit, scheduled for Monday, May 3 and is expected to run till the end of the month.
Chamber, SchlickArt Partner to Showcase “12 Months of Quarantine” Photo Exhibit
After more than a year, ice has returned to Santa Clarita, and The Cube – Ice and Entertainment Center is now open to the public!
Registration Now Open for The Cube Programs, Ice Time
Westfield Valencia Town Center officials announced Monday they’re halting plans to expand the mall with a 101,000-square-foot Costco and other amenities.
Westfield Halts Plans to Bring Costco to Town Center
COVID-19 vaccinations will be offered for anyone 18 and older in the parking lot of the SCV Senior Center at Bella Vida on Saturday, May 1, 8:00 a.m. - 4:00 p.m.
Bella Vida to Offer COVID-19 Vaccinations
1874 - First train out of L.A. to reach new town of San Fernando; Newhall 2 years later [story]
train tunnel
Los Angeles County Public Health officials on Monday confirmed 18 new deaths and 337 new cases of COVID-19 countywide, as cases in the Santa Clarita Valley now total 27,588 since the pandemic began.
Monday COVID-19 Roundup: 2 New Vaccination Sites Open in SCV, Palmdale; 27,588 Total SCV Cases
The city of Santa Clarita’s Film Office has reported six productions filming in the Santa Clarita Valley, aka "Hollywood North," the week of Monday, April 19-25, 2021
Six Productions Filming in SCV this Week
The Los Angeles County Department of Mental Health and the Mental Health Commission will host a public hearing for the Mental Health Services Act Three-Year Plan on Thursday, April 22.
April 22: LACDMH, Mental Health Commission to Hold Virtual Public Hearing
The William S. Hart Union High School District was named one of 19 school districts and one county office of education for school attendance review board as a model program for its attendance strategies during distance learning.
Hart District Named Model SARB Award Winner by State
Students from across the California State University system will make final, virtual pitches of their ideas for new television series on Wednesday, May 5, at California State University, Northridge.
CSUN to Host Final for a Television Pitch Competition
The Children’s Bureau is seeking foster families during National Foster Parent Appreciation Month and is now offering two virtual ways for individuals and couples to learn how to help children in foster care while reunifying with birth families or how to provide legal permanency by adoption.
Children’s Bureau Offering Virtual Orientation During Foster Parent Appreciation Month
In April, the city of Santa Clarita joins in the celebration of National Volunteer Month by recognizing the community's exceptional volunteers with a national award.
Santa Clarita Celebrates National Volunteer Week, Awards Volunteers
To provide a framework to guide the future of residential development locally, the city of Santa Clarita is embarking on a public process to update the Housing Element of the Santa Clarita General Plan.
City to Update 2021-2029 General Plan Housing Element
In an email distributed to parents, Sulphur Springs Union School District Superintendent Catherine Kawaguchi warned parents of a man telling students that he is there to pick them up.
Sulphur Springs Warns of Suspicious Man Near Schools
1880 - Pico Oil Spring Mine Section 2 patented by R.F. Baker and Edward F. Beale [story]
E.F. Beale
1945 - Actors Harry & Olive Carey sell Saugus ranch after 29 years; now Tesoro del Valle [story]
Carey Ranch
1930 - Telephone switchboard operator Louise Gipe, heroine of the 1928 St. Francis Dam disaster, tries & fails to kill herself over an unrequited love [story]
Louise Gipe
The city of Santa Clarita’s Planning Commission will hold a regular meeting virtually Tuesday, April 20, at 6:00 p.m.
April 20: Planning Commission Virtual Regular Meeting
The owner of a shopping center at the corner of Lyons Avenue and Apple Street will seek the Santa Clarita Planning Commission’s approval Tuesday to subdivide the lot from three parcels to eight.
Planning Commission to Consider Subdivision Request
%d bloggers like this: