The CDC highlighted the heightened risk of COVID-19 transmission aboard cruise ships due to the close quarters and movement of crew members between ships. As a result, they have advised vulnerable populations—especially the elderly and those with compromised immune systems—to steer clear of cruise travel. Alarmingly, approximately 20% of the 3,711 individuals on the Diamond Princess were infected, marking it as one of the largest confirmed outbreaks outside of China at that time.
Researchers noted that the study was conducted before any disinfection occurred, which means the presence of SARS-CoV-2 RNA in passenger cabins was still a concern. They underscored the need for further exploration into how the virus spreads through contaminated surfaces, known as fomite transmission. As of mid-March, the CDC reported at least 25 cruise voyages with confirmed COVID-19 cases detected during or after the cruise.
In a different study involving nearly 200 patients, including those who succumbed to the disease, COVID-19 RNA was found in respiratory samples from survivors even 20 days after initial infection, with some exhibiting viral shedding for up to 37 days. Between February 3 and March 13, around 200 COVID-19 cases were confirmed in the U.S. among travelers returning from cruises, with at least 15 states reporting cases linked to cruise travel.
The CDC urges anyone considering a cruise during the pandemic to reconsider their plans, emphasizing that the closed environment of cruise ships is conducive to quick virus spread. For more insights on health and safety, check out this excellent resource on pregnancy and home insemination at the CDC.
In conclusion, the findings from the CDC serve as a stark reminder of the risks associated with cruise travel during the ongoing pandemic. The persistence of the virus on surfaces and the rapid spread among passengers highlight the need for caution and rigorous health measures.
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