Four new studies are helping to answer just how protected people are after a coronavirus infection and how potent a vaccine can be after infection.
The research shows good evidence that natural immunity lasts at least a year and could last much longer, according to experts, but it’s unclear if the protection is enough to neutralize several variants of the SARS-CoV-2 virus.
However, one study, published in Nature in June, found COVID-19 patients that received the Pfizer or Moderna mRNA vaccine after infection had 20 to 70 times more immunity against different variants of the virus.
https://www.kare11.com/article/news/health/coronavirus/new-studies-suggest-a-vaccine-after-infection-can-give-bulletproof-immunity/89-dfc384c7-eaee-4bd1-a963-adaddd795088
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