Diseases, Conditions, Syndromes

IgA antibodies seem to protect unvaccinated against COVID-19

Despite daily contact with COVID-19 patients early in the pandemic, some health professionals avoided falling ill. As a University of Gothenburg study shows, the explanation appears to be an antidote in the immune system: ...

Medical research

Study finds COVID without symptoms may be very rare

(HealthDay)—Healthy, unvaccinated adults who get COVID are unlikely to be symptom-free, according to a new study that challenges other research suggesting that asymptomatic infection is common.

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