In a recent study in Nature Microbiology, researchers compared severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Omicron variant of concern (VOC) replication in human cell lines and primary ...

Moderna’s Omicron-adapted COVID-19 vaccines appear to reduce the risk of hospitalization and death in adults who are not ...

Omicron subvariants are reducing the effectiveness of antibody treatments that have played a crucial role in keeping people with weak immune systems safe. President Joe Biden cautioned the ...

Seniors who have already received a vaccine targeting the omicron BA.5 subvariant are now eligible to receive another dose four months after their last shot. People with weak immune systems can ...

Göttingen, July 17, 2023. Omicron-derived virus variants are currently responsible for most SARS-CoV-2 infections worldwide. Compared to earlier virus variants, Omicron rarely causes severe disease.

The surprising finding from a study of 750 vaccinated seniors in Ontario retirement homes and long-term care settings suggests the we don't understand how some Omicron variants can evade the immune ...

Maybe the UK is unusual, maybe the trends that show Omicron as mild will suddenly reverse in the next week of data, but right now the UK's experience is that this wave is the sharpest yet in terms of ...

We were supposed to be done by now. Or at least wrapping up our yearslong fight with Covid-19. This started 22 months ago, when the coronavirus spread and we sheltered. Then masked. Then got ...