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Company announced it had administered its first shot to a participant for its extension of an earlier phase 2 study.

BA.2, Omicron’s “cousin” variant, has been detected in the US. It initially appears to be more contagious, but not more dangerous.

With fewer monoclonal antibody treatments effective against the Omicron variant, the National Institutes of Health (NIH) now recommends direct-acting antivirals.

A new orally delivered investigational therapy could help curb the costly and often recurring infection.

The trend follows predictions that COVID-19 mitigation would lead to case reduction.

The FDA cited monoclonal antibodies as being less effective against the Omicron variant in their decision to rescind their earlier approval of the COVID-19 treatment.

The companies said the vaccines will be examined in adults 18-55 years old.

The virus was third-leading cause of death nationally, CDC reports.

Nearly 75% of COVID-19 patients admitted to the ICU were symptomatic 1 year later, most commonly reporting weakened condition and musculoskeletal problems.

Casirivimab/imdevimab protected uninfected contacts from COVID-19 and reduced symptomatic infections in trials before Omicron emerged.

Booster doses of the Pfizer-BioNTech COVID-19 vaccine were shown to provide greater protection against infection than the 2 dose primary regimen alone, according to a study of health care workers in Israel.

Gilead’s remdesivir was granted expanded FDA approval to treat non-hospitalized adult and adolescent patients at high risk of severe or fatal COVID-19 disease progression.

Providers of patients with HIV should have greater sensitivity to symptoms of heart failure, the study authors suggested.

The study authors observed reductions in three types of orphanhood, including paternal-only, maternal-only, and double orphanhood.

A recent study in Australia highlights the risk of severe influenza disease in infants younger than 6 months and the need for preventative measures to protect this vulnerable population.

A third dose of the Pfizer-BioNTech or AstraZeneca mRNA COVID-19 vaccines produced sufficient neutralizing antibody titers against the Omicron variant.

Former members of the Biden transition team recommend accepting that the virus is here to stay.

More than 1.2 million people were estimated to have died in 2019 as a direct result, and that antimicrobial-resistant infections played a role in millions more.

The CDC reported that post-infection immunity paired with COVID-19 vaccination was very protective against the Delta variant.

“Memory” CD4+ and CD8+ T cells may explain why Omicron causes less severe disease than previous COVID-19 variants.

For already-vulnerable cancer patients, a COVID-19 diagnosis is especially concerning. A new study reveals that when it comes to disease outcomes, geographical location is not a factor—but individual cancer centers can make a difference.

As global health leaders discuss the best long-term strategy for COVID-19 vaccines and boosters, consensus is emerging that repeated boosters of current vaccines within short intervals is not sustainable.

An Israeli study is the first to administer 4 COVID-19 shots, but the boosted antibodies may still not be enough to prevent Omicron breakthrough infections.

In utilizing a modeling study, investigators estimated reductions in HIV incidence rates as well as PrEP usage rates and viral suppression across US cities over 10 years.

Eliminating the NS2 viral protein of Respiratory Syncytial Virus (RSV) helps the body to destroy the virus before it causes severe inflammation.

Study finds high false positive results with one batch of a rapid antigen test for SARS-CoV-2 but "very low" overall false positive rate.

A study adds to the growing list of trials assessing convalescent plasma in COVID-19 to yield mixed results.

People who vape with e-cigarettes and contract COVID-19 are significantly more likely to experience symptoms.