The Omicron variant has 26 spike protein mutations ... One review noted that vaccinated people have a lower viral load. Another study found that each vaccine and booster dose lowered SARS-CoV ...

Nirmatrelvir-ritonavir effectively lowers hospitalization rates and long COVID symptoms in non-hospitalized, high-risk patients with mild to moderate COVID-19.

“The vast majority of currently circulating variants (including the so called FLiRT variants fuelling the current wave) are descendants of the omicron variant—and ... of the test depends on the viral ...

Explainer: What went wrong with the Omicron variant in Hong Kong ... tests of the city’s sewage for traces of the virus showed the viral load being shed per person had dropped significantly ...

"The highly transmissible nature of rapidly emerging Omicron variants in the setting of high rates ... but the duckbill N95 reduced SARS-CoV-2 load 98% (95% confidence interval [CI], 97% to 99%) and ...

2—the last two of which are Omicron subtypes. Of note ... showing high, low, then high again viral load dynamics. "In the absence of genetic information, they could have been misidentified as ...

Doctors have noted a surge in respiratory viral infections such as colds ... and loss of sense of smell and appetite. This Omicron subvariant is spreading swiftly across Europe.