A South Africa preprint study found that the omicron variant may not be prevented by having had previous COVID-19 infections. The study, which has not been peer-reviewed, finds that the omicron variant spreads twice as quickly as the delta variant and reinfection is three times more likely with the new ...
The, Famous
Merkez mahallesi mutlu han sokak no:17/2 Bartın/Sakarya
info@thedoctor.com.tr