Studies have shown that flu, hepatitis B, tetanus and rabies vaccines may be less effective in obese adults than the general population, and there is no reason to believe that a coronavirus vaccine will be any different. .
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“Will we have a Covid vaccine tailored to the obese next year? Absolutely not,” Raz Shaikh, an associate professor of nutrition at the University of North Carolina-Chapel Hill, told Varney.
“Will it still work in the obese? Our prediction is no. “
According to the Centers for Disease Control and Prevention in Atlanta, 30-35% of Georgia̵
7;s adults are obese, which means that their body mass index, or BMI, is 30 or higher.
The CDC initially warned that people who were pathologically obese, with a BMI of 40 or more or who were overweight by about 100 pounds, were among the groups at greatest risk of getting seriously ill with COVID-19.
It wasn’t long before that warning was extended to include people with a body mass index of 30 or more.
How does obesity prevent vaccines from working properly?
According to Varney: “A healthy immune system turns inflammation on and off as needed, invoking white blood cells and sending proteins to fight infections. Vaccines take advantage of that inflammatory response. But blood tests show that obese people and people with related metabolic risk factors such as high blood pressure and high blood sugar levels experience mild chronic inflammation; the inflammation turns on and stays on. “
Although scientists are still studying its causes, chronic inflammation appears to interfere with the body’s immune response to vaccines.
“Obesity is a serious global problem and the immune responses induced by suboptimal vaccines observed in the obese population cannot be ignored,” researchers from the Mayo Clinic Vaccine Research Group wrote in a 2015 study published in the journal Vaccine.
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Obese people should not take this information to indicate that there is no point in getting a coronavirus vaccination.
Dr Timothy Garvey, an endocrinologist and director of diabetes research at the University of Alabama, said that it is even safer that obese people are vaccinated.
“The flu shot still works in patients with obesity, but not as well,” he said. “We still want them to be vaccinated.”
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