Coronavirus Vaccine: Are you still protected if you are fully vaccinated but have no antibodies?


COVID-19 vaccination is not just helpful to minimize infection risks but also benefits greatly in lowering severity and mortality rates associated with COVID-19. However, not only has the emergence of newer mutants made vaccines less effective, there are concerning reports that suggest that they may also lower antibody defence.

Covishield, Covaxin, Sputnik V or Moderna: Which is better

A recent study done by the Indian Council of Medical Research (ICMR), for example, has currently shown that Covishield, one of the premier COVID-19 vaccines being used in the country is not only less effective against the Delta variant of the virus, but mounts a lower than expected antibody response. As many as 16% of fully vaccinated people, who got Covishield, had zero antibodies against COVID-19.

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Vaccine-driven antibodies are a key marker in potentially evading the risk of infection, and showcasing how effective a vaccine could be. But, if a vaccine mounts no antibodies, despite proper administration, what risks does it exactly entail. More so, will you be still protected if you are fully vaccinated but have no antibodies?



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