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Those who are partially vaccinated and unvaccinated face the same increased risk, whereas boosted and fully vaccinated adults fare best.
All reprocessed N95 respirators met primary end points of function and effectiveness; no change was reported in filtration efficiency.
Fewer than 10% of people in lower-income countries have received one dose of COVID-19 vaccine.
Measurements of cardiac performance with transthoracic echocardiography may reveal subclinical cardiac dysfunction
Antibody levels were higher in the previously infected versus infection-naive after one dose of BNT162b2 vaccine.
The surge in new cases could really hit a high point in about two weeks from now.
The change will be welcome news to people who refrained from traveling for fear they would get stranded in a foreign country.
The agency urges fully vaccinated people to travel with precautions and take infection risk into consideration.
The rise and prevalence of COVID-19 variants in Europe have made the Biden administration move slowly on increasing transatlantic travel.
In these cases, the illness improved or resolved within an average of three days.