Anyone who contracted COVID-19 during the surge brought on by the omicron variant may be wondering if they still have natural immunity.
At Rush University Medical Center, researchers are tracking COVID antibody levels in hope of answering the question. Doctors there have been monitoring levels of approximately 1,100 people since the first COVID vaccines came out in December 2020.
"Researchers have not been able to find a magic number of protection," said Dr. James Moy, an immunologist at Rush. Dr. Moy and his team had hoped to determine an optimal antibody level, but he says that hasn’t happened because respiratory viruses mutate too quickly. However, they have noticed big antibody spikes after booster shots.
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