Reinfection From Covid-19: Who Is At Risk?
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Why is reinfection happening?

While there exists little clinical evidence, many experts believe that COVID reinfection could have different meanings at this point of time-be it traces of viral load remaining in the body, having a milder bout of infection or not building up on enough antibodies to mount a preventive response, a lot of different factors can leave a person vulnerable.

How long do antibodies last in the body?

A person gains antibodies after infection, which helps the body mount a good defensive response in the future. From what is believed right now, antibodies stay for 3-6 months following infection and healthy recovery.

Researchers found that those suffering from Type 2 diabetes, or diabetic patients infected by a mild form of the virus did not have sufficient antibodies after infection, and hence, have a higher risk.

Similarly, those with compromised immunity may also have impaired antibody response, which would leave room for COVID-19 to attack them again. In some cases, people might not develop antibodies altogether.

Dr S.N Aravinda, Consultant, Internal Medicine says Immune system reacts differently for each person infected by COVID-19, depending on the strength and amount of viral load they were exposed to. Some may develop a strong response, some may experience no symptoms, or in some rare cases, people can go through a major brunt.

Dr Pradeep Rangappa, Senior Consultant - Critical Care says Reinfection is common in patients with innate immunity. Adaptive immunity happens when there is extensive viral replication in the body. The viral shedding that happens in COVID appears to be longer in asymptomatic patients.

What raises the risk for COVID reinfection?

According to doctors, one of the biggest reasons for a higher reinfection risk right now is bad immunity. Not only is adopting preventive steps even after recovery important, but your immune response could also put you at a higher or lower risk for reinfection.

How far will vaccines help us?

Vaccinations are beginning to pick up the pace globally and hailed to be the much-needed stop for the viral spread. Some also believe that vaccines will not just protect the ones who haven't got the virus, but also the ones who have recovered from the dangers of reinfection.

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