Two passengers have tested positive for Covid-19 on a Royal Caribbean cruise ship just a day after a similar incident in Italy.
considering all on board provided proof of vaccination?
Firstly, all vaccines currently approved for use in the U.S. are very effective against preventing severe disease and death and also provide some protection against symptomatic disease. They will also reduce the risk of somebody transmitting the virus to others. But no vaccine is 100% effective at any of these metrics and it is inevitable that some people will test positive even after being fully vaccinated, such as the asymptomatic passengers.
It is also entirely possible for someone to have a negative Covid-19 test result within 72 hours of sailing, contract Covid-19 after they take the test and later test positive., the outbreak should be fairly easy to control and it is likely that nobody else will get seriously sick or die from Covid-19 on the. Nobody else may even test positive and you could even consider it a success story of sorts.
However, that people have tested positive on two ships within the last day, should raise particular concern for cruises setting sail where there are large numbers of unvaccinated passengers. In Florida, one of the busiest cruise ports in the U.S., businesses are
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