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In the U.S., Federal officials announced that fully vaccinated Americans no longer need to wear masks outdoors in small groups, when dining outside, or biking and running. As vaccination rates pick up, people are starting to do some things they had stopped doing because of COVID-19. This makes us wonder how much longer this pandemic will last? When will we achieve "herd immunity"? And when can we return to our pre-pandemic lives? We asked Professor Iwasaki about the prospects for the near future.
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