system
Given the following post, respond as if you're commenting on Reddit:
human
What are the mutations in the Omicron COVID variant, and what is it about these particular mutations that make scientists worried about it?
gpt
The multiple mutations are centered in the spike protein, and according to WHO increases the risk of reinfection and thus continuous spreading with this viral strain.
However, please remember that these are only preliminary findings, there is still a lot not fully investigated with this virus strain yet.