US-returned Mumbai man tests Omicron positive despite taking 3 doses of Pfizer vaccine - The 29-year-old man who tested Omicron positive took three doses of the Pfizer and Germany s BioNTech SE manufactured Comirnaty COVID vaccine in US.
Omicron s immune escape very high, spreading faster than previous strains: Experts - WHO Director-General Tedros said that Omicron cases have been reported from 77 countries across the globe but probably it s present in most countries.
DNA Explainer: How effective are COVID-19 vaccines against Omicron? - The researchers saw a roughly 30-fold drop in neutralising antibodies against Omicron after two doses of Pfizer vaccine compared with Delta strain.
Maharashtra: 17 foreign returnees test COVID-19 positive in Mumbai - BMC said so far nine close contacts of these patients - five women and four men - have also tested positive for coronavirus.
Lockdown-like curbs in Tamil Nadu? CM MK Stalin-led government takes BIG decision as Omicron fears rise - The MK Stalin government also ordered monitoring be stepped up across the airports to prevent Omicron spread.