The National Institute of Allergy and Infectious Diseases director told CNN that three factors are preventing herd immunity from COVID-19
COVID-19 mutates a lot, and not enough people have taken the vaccine, Fauci said.
“We’ve already experienced over a period of two years that we’ve had five separate variants Alpha, Beta, Delta, Omicron. And now BA.2 from Omicron one,” Fauci said. There also has not yet been a vaccine for COVID-19 that produces lifelong immunity, according to Fauci.Like the coronavirus, the measles virus spreads through the air,
The U.S. was able to eliminate measles because of the development of an effective vaccine that creates lifelong immunity, a highly successful childhood vaccination program and the fact that measles does not mutate.“The World Health Organizationthat measles could become endemic again around the world as more people refuse their shots,” CNN said.
Experts remain hopeful herd immunity for COVID-19 is attainable by producing more effective vaccines, despite Fauci’s research findings.with antibodies that prevent transmission.
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