Findings indicate a sharp drop in immunity after Omicron infection, stressing the necessity for updated vaccines to enhance ...

A new study from researchers at Weill Cornell Medicine-Qatar (WCM-Q) reveals how the SARS-CoV-2 virus evolved from initially ...

Infection with the SARS-CoV-2 Omicron variant confers weak, short-term protection against reinfection, compared with the much ...

A Weill Cornell Medicine-Qatar study found that SARS-CoV-2 evolved from prioritizing transmission to evading immunity after the Omicron variant emerged. Before Omicron, natural immunity from prior ...

With the rise of omicron came the fall of long-lasting protection from reinfection with the pandemic coronavirus SARS-CoV-2, ...

Quantum mechanical modeling allowed the team to develop an initial set of predictions about the role of mutations on infectivity and immune response evasion of Omicron and other SARS-CoV-2 variants ...

Certain antiviral and mAb therapies were shown to lower mortality and hospitalization rates in those infected with SARS-CoV-2 Omicron variants.

PAHO is tracking a rise in dengue serogroup 3 activity, which could raise the risk of severe illness as countries approach the peak of the season.

Viruses are masters at disguise. When they are pushed too far by our immune system, they send new virus variants into play that are no longer recognized by immune cells. They escape our immune system ...

Historically, COVID-19 symptoms have been fevers or chills, cough, shortness of breath, cough, congestion or a runny nose, sore throat, loss of taste or smell, fatigue and body aches, headache, nausea ...