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Vaccine effectiveness against death was lower for patients aged 80 years and older.
After mRNA COVID-19 vaccination, 99% of patients with inflammatory bowel disease had detectable antibodies regardless of immunocompromising therapies.
A persistent lower vaccination rate in Black adults might be explained by other factors besides hesitancy.
Participants reporting any cognitive symptoms had a lower likelihood of working full time.
However, physicians had substantially lower excess mortality than the general U.S. population.
The findings show a lower hospitalization risk 31 to 120 days after COVID-19 infection.
During a period of delta predominance, protection was lower among vaccinated persons without a previous COVID-19 diagnosis.
The incidence of COVID-19 was lower for adults receiving image-guided corticosteroid injections for pain management.
Higher rates of alcohol consumption and lower smoking rates may have contributed to higher obesity.
And vaccine effectiveness was lower during omicron with the receipt of two doses, but it was higher after booster dose.