Respiratory Infections News

The humidity created inside face masks may offer additional protection against COVID-19, according to NIH researchers.

A 43-year-old man in the United States tested positive for SARS-CoV-2 twice within 4 months, according to a paper in BMJ Case Reports.

People aged 20 to 49 years were “the only age groups” sustaining the COVID-19 resurgence last fall in the United States, according to a study published in Science.

The CDC published new guidance for safely reopening schools during the COVID-19 pandemic that focuses on layered mitigation strategies.

People living with HIV experienced poorer COVID-19 outcomes than those without HIV, according to findings from a cohort study of New York State residents published in JAMA Network Open.

Researchers at a U.K. hospital said they found no evidence that children hospitalized recently with COVID-19 were sicker than children hospitalized with the disease last year, suggesting the B.1.1.7 variant does not make kids more ill.

There was no significant difference in the duration of SARS-CoV-2 symptoms among outpatients who took high-dose zinc gluconate, ascorbic acid or a combination of the two vs. usual care without supplementation, data showed.

According to the CDC, more than 9,300 women with COVID-19 have completed pregnancies in the United States.

Compared with usual care, tocilizumab reduced deaths by an absolute difference of 4% among patients with COVID-19 who required oxygen and had evidence of inflammation, investigators from the RECOVERY trial reported Thursday.

People who are fully vaccinated against SARS-CoV-2 do not necessarily have to quarantine following an exposure to someone with suspected or confirmed COVID-19, the CDC said Wednesday.