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CDC scientist says the U.S. is ‘nowhere close’ to herd immunity


People wait in line for coronavirus disease (COVID-19) vaccinations at Martin Luther King Jr. Community Hospital in Willowbrook, Los Angeles, California, February 25, 2021.

Lucy Nicholson

The U.S. is “nowhere close” to achieving herd immunity from Covid, and more transmissible variants mean even more people will need to get vaccinated to reach it, a CDC scientist said Friday.

Herd immunity occurs when enough people in a given community have antibodies against a specific disease, either through vaccination or prior exposure to the virus. That makes it difficult to spread from person to person and even protects people who don’t have any immunity.

“Currently we know that the majority of the…


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