Omicron variant: how dangerous is this? 

The Omicron variant of SARS-CoV-2, the virus that causes COVID-19, is considered to be a concern by some scientists due to its mutations in the spike protein of the virus. These mutations may make the variant more transmissible and potentially able to evade the immunity provided by some vaccines. However, it is important to note that more research is needed to fully understand the implications of these mutations, and the true ....