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In reply to the discussion: CDC study shows three-fourths of people infected in Massachusetts covid-19 outbreak were vaccinated [View all]wnylib
(22,011 posts)He said the same thing as mucifer just posted.
Delta is spread by both vaccinated and unvaccinated people. Previous variants were spread only by unvaccinated people.
So vaccinated people should wear masks to prevent spreading delta to each other and to unvaccinated people, especially to people who cannot get vaccinated or for whom vaccines don't work because of health reasons.
We also want to stop spreading it to ANYONE because as long as it has human hosts, it can continue to mutate.
When vaccinated people get infected, they USUALLY don't have symptoms, or have only mild symptoms. But, if they are over 65, or if they have underlying health problems, or get exposed to a higher viral load, they might get a much worse case. Even for vaccinated people who get symptoms, the vaccine usually prevents serious illness and death, so it is worth getting the shots.