World

    Coronavirus warning: Covid-19 immunity may only last WEEKS, experts warn

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  CORONAVIRUS immunity may only last for a few weeks after a patient recovers
  from the illness, experts have claimed.

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   bars and beaches to contain a fresh surge of coronavirus cases, dashing
   hopes that Manaus was the first place in the world to reach herd
   immunity.

   It was thought that when a large portion of a community had been
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   University of Sao Paulo researchers suggested that a drastic fall in
   COVID-19 deaths in Manaus pointed to collective immunity at work, but
   they now believe that antibodies to the disease after infection may not
   last more than a few months.
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   distancing guidelines.

   Coronavirus warning: Covid-19 immunity may only last weeks, experts
   warn
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   warn
   Coronavirus warning: Covid-19 immunity may only last weeks, experts
   warn (Image: Getty)
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   Medicine tested newly donated banked blood for antibodies to the virus
   and used a mathematical model to estimate contagion levels. The high
   infection rate suggested that herd immunity led to the dramatic drop in
   cases and deaths, the study said.

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   The study's lead researcher, Ester Sabino, declined to be interviewed
   for this article because the Manaus herd immunity study awaits peer
   review for publication.

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   Almeida said too little is known about COVID-19 and whether
   re-infection is possible to verify if herd immunity was reached in
   Manaus, but some short-lived immunity probably had been attained.

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   "There could be immunity that does not last for long," Mayor Virgilio
   agreed.