A health care worker prepares a dose of Sinovac’s Covid-19 vaccine at the Salvador Sanfuentes public school in Santiago, Chile. While doubts have been raised about inactivated vaccines like CoronaVac, immunity should be measured in terms of cellular immunity, not antibody count. Photo: AP
Opinion
Opinion
Omicron: why doubts over effectiveness of ‘traditional’ inactivated vaccines are overblown
- Expert opinion based on in vitro studies of neutralising antibody levels should be properly debated in academic circles, but by itself is not helpful for policymakers
- Hong Kong, with its quite high vaccination rate of about 80 per cent for the first dose, should aim at ‘flattening the curve’ of an Omicron wave, rather than preventing it
A health care worker prepares a dose of Sinovac’s Covid-19 vaccine at the Salvador Sanfuentes public school in Santiago, Chile. While doubts have been raised about inactivated vaccines like CoronaVac, immunity should be measured in terms of cellular immunity, not antibody count. Photo: AP
