Coronavirus disease 2019 was reported as an underlying or contributing cause of death for 11.3 percent of deaths in 2020.
The Pfizer/BioNTech COVID-19 vaccine is more than 91 percent effective six months after people get their second dose.
A production error that ruined about 15 million doses of the Johnson & Johnson one-dose COVID-19 vaccine could delay upcoming shipments.
Findings from a retrospective chart review showed a need to carefully monitor inflammatory biomarkers and anticoagulant dosage in patients with severe COVID-19.
British regulators say they have identified 30 cases of rare blood clots in people who have received the AstraZeneca COVID-19 vaccine.
Moderna has been authorized to put 50 percent more COVID-19 vaccine into its vials and expects to start shipping within weeks.
The Biden administration launched a public outreach effort that will focus on communities that have been hit hardest by the pandemic.
The use of high-flow nasal oxygen vs helmet noninvasive ventilation did not significantly vary in terms of the number of days free from respiratory support in critically ill patients with severe hypoxemic respiratory failure from COVID-19.