Coronavirus herd immunity may be ‘unachievable’ after study suggests antibodies disappear after weeks in some people

Coronavirus herd immunity may be ‘unachievable’ after study suggests antibodies disappear after weeks in some people

https://www.businessinsider.com/coronavirus-antibodies-study-herd-immunity-unachievable-spain-2020-7

  • A major new study in one of Europe’s worst affected countries for the coronavirus finds no evidence of widespread immunity to the virus developing.
  • Just 5% of Spaniards were detected to have antibodies to the virus.
  • Fourteen percent of people who previously tested positive for antibodies tested negative just weeks later.
  • The study suggests people who experience mild symptoms do not have long-lasting protection.
  • “Immunity can be incomplete, it can be transitory, it can last for just a short time and then disappear,” Raquel Yotti, the director of Spain’s Carlos III Health Institute, said.
  • Another scientist involved said: “In light of these findings, any proposed approach to achieve herd immunity through natural infection is not only highly unethical, but also unachievable.”
  • Visit Business Insider’s homepage for more stories.

2 Responses

  1. Hmmmm. How often to viruses do this? What kind of immunity lasts long, what short, why?…

  2. I recently hear this on a TV news interview with Tom Hanks (the actor). He said that he and his wife had fully recovered from their COVID-19 infections in March of 2020. But, he also said that medical tests have shown that the COVID-19 antibodies for both him and his wife are declining. Once they reach some minimum level, or disappear altogether, both him and his wife will, once again, be susceptible to a COVID-19 infection.

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