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"What is herd immunity and why does it matter in the fight against coronavirus?"

The Los Angeles Times interviewed Dr. David Eisenman, UCLA Fielding School of Public Health professor-in-residence of community health sciences and director of the Fielding School’s UCLA Center for Public Health and Disasters, on herd immunity. 

Wednesday, April 22, 2020

Fewer tables in restaurants. Everyone wearing masks. Staggered start times at schools. The “new normal,” as outlined by California Gov. Gavin Newsom last week, will be a big change in the time of the coronavirus.

But the old concept of normal — sharing a drink in a crowded bar or standing shoulder to shoulder with fans at a packed sporting event — might not be back “until we have herd immunity,” the governor said.

How long until then? In short: It’s complicated.