Four vaccinated adults, two unvaccinated children test positive for COVID on Royal Caribbean ship
required to show proof of a negative COVID test or proof they recovered from the virus within the past three months.
“These guests were quarantined and then retested with a PCR test to confirm their diagnosis,” Sierra-Caro said. PCR and antigen tests were offered to passengers, depending on their destination. The tests that came back positive were rapid tests, and those passengers were retested Thursday or Friday with a PCR test, which is more reliable.
highly transmissible delta variant but is investigating further, according to Sierra-Caro.
COVID-19 vaccines are highly effective, but they’re not 100% effective. That means a small percentage of people who are fully vaccinated will still get COVID-19 if exposed to the virus that causes it, according to the CDC. However, vaccinated people who have breakthrough infections are much less likely to get severely sick or die.