Lingo Cards
Herd Immunity = form of indirect protection from infectious disease that occurs when a sufficient percentage of a population has become immune to an infection, whether through vaccination or previous infections, thereby reducing the likelihood of infection for individuals who lack immunity
Also see: herd mentality
Headlines
Some experts now say U.S. unlikely to reach herd immunity
Scientific consensus on the COVID-19 pandemic: we need to act now
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Wikipedia
Herd immunity
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