“Global policy must weigh the risks of adopting booster doses ad libitum across the world at this stage of the pandemic.”His commentary comes amid moves by European and US regulators to recommend booster doses to specific groups of people. The European Medicines Agency recommended earlier this month booster doses for people with severely weakened immune systems. India’s Covid-19 vaccination policy is aimed at fully inoculating all adults before any decision on booster doses. Proponents of booster doses have cited studies showing declining antibody levels and real-life evidence of protection against breakthrough infections in Israel. He said booster doses might also bring safety concerns, citing reports from Israel of cases of myocarditis and pericarditis — heart complications — as rare events after receiving mRNA Covid-19 vaccines.

Source: The Telegraph October 31, 2021 04:09 UTC