COVID-19 Vaccines May be Significantly Less Effective in People With Severe Obesity

upstart writes:

COVID-19 Vaccines May Be Significantly Less Effective in People With Severe Obesity:

New research suggests that adults (aged 18 or older) with severe obesity generate a significantly weaker immune response to vaccination compared to those with normal weight. The study was conducted by Professor Volkan Demirhan Yumuk from Istanbul University in Turkey and colleagues and was presented at this year's European Congress on Obesity (ECO) in Maastricht, Netherlands (May 4-7).

The study also found that people with severe obesity (BMI of more than 40kg/m2) vaccinated with Pfizer/BioNTech BNT162b2 mRNA vaccine generated significantly more antibodies than those vaccinated with CoronaVac (inactivated SARS-CoV-2) vaccine, suggesting that the Pfizer/BioNTech vaccine might be a better choice for this vulnerable population.

Obesity is a disease complicating the course of COVID-19, and the vaccine antibody response in adults with obesity may be compromised. Vaccines against influenza, hepatitis B, and rabies, have shown reduced responses in people with obesity.

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