Giridhara R Babu
Why every Covid infection is not a Covid 'case' any more
This needs redefining in light of Omicron, to avoid an artificial shortage of hospital beds
Opinion: Why Covishield dose gap must be shortened
New studies show that an eight-week interval between two doses of the Oxford-AstraZeneca vaccine is more effective and the government must revert to the 4 to 6 week gap