CDC: Coronavirus Found on Cruise Ship Surfaces for Up to 17 Days

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Coronavirus outbreak and coronaviruses influenza background as dangerous flu strain cases as a pandemic medical health risk concept with disease cells as a 3D render

A new report from the Centers for Disease Control and Prevention (CDC) suggests that SARS-CoV-2 RNA can survive on surfaces for up to 17 days. In the report, titled Public Health Responses to COVID-19 Outbreaks on Cruise Ships — Worldwide, February–March 2020, the researchers explain, “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.” The report authors added that they did not determine whether transmission occurred from the contaminated surfaces, and that further study is needed.

The data also suggests that 17.9% of infected persons did not develop symptoms. “A high proportion of asymptomatic infections could partially explain the high attack rate among cruise ship passengers and crew,” the authors wrote.

Previous research from the National Institutes of Health (NIH), which was was designed to mimic the virus being deposited from an infected person onto everyday surfaces in a household or hospital setting, explored how long the virus lasts on specific sufaces. As WholeFoods Magazine previously reported, the researchers determined that the virus is detectable:

  • for up to three hours in aerosols;
  • up to four hours on copper;
  • up to 24 hours on cardboard;
  • up to two to three days on plastic and stainless steel.

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The CDC report also offers a broad look at cruise ships as settings for outbreaks of infectious diseases, noting, “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.”

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