I read the article and the 26 people with Covid were not crew members. It said 99.98 percent of the crew were vaccinated. Break through infections are most common in those over 65 or in people with weakened immune systems who have had treatment for cancer or are taking medications that cause the body to have a weak immune response. I would only sail with a cruise line that did not allow any unvaccinated passengers/crew to sail. That means no children or unvaccinated guests. Cruise ships have a high number of people in a relatively small area and viruses can spread rapidly.
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