"These “breakthrough” infections occurred among people of all ages. Just over 40 percent were in people 60 or older, and 65 percent occurred in women. Twenty-nine percent of infected people reported no symptoms, but 7 percent were hospitalized and just over 1 percent, 74 people, died, according to the CDC.Public health officials have said breakthrough infections were expected, since manufacturers have warned loudly and often that the vaccines are not 100 percent protective. The Pfizer and Moderna versions have consistently been shown to be above 90 percent effective, most recently for at least six months. Studies have also shown they are nearly 100 percent effective at ensuring that the small fraction of vaccinated patients who do contract the virus will not get severe cases or require hospitalization."
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