A Danish preprint study did not conclude that mRNA COVID-19 vaccines harm the immune system nor did the authors conclude that COVID-19 mRNA vaccines are completely ineffective against the Omicron ...

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 ...

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 ...

The omicron BQ coronavirus subvariants have risen to dominance in the U.S. as people gather and travel for the Thanksgiving holiday, putting people with compromised immune systems at increased risk.

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.

Research reveals a sharp decline in both the effectiveness and duration of protection from prior infection post-Omicron, underscoring the need for updated vaccines to sustain immunity Study: ...

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 ...