Double vaccinate against Covid first, experts say amid calls for booster shots – ET HealthWorld

NEW DELHI: India should prioritise double vaccinating its eligible population against Covid over booster shots given the large number of people still to get the base layer of protection against the infection, say scientists. Concerns over the Omicron variant and waning vaccine-induced protection against the infection have highlighted the need for boosters to protect the most vulnerable. And while many countries have already started giving booster shots, several experts here said the priority in India has to be different given that large-scale immunisation programme began only six-eight months go. In…

Read More

English study finds 50-60% reduced risk of COVID for double-vaccinated – ET HealthWorld

By Alistair Smout LONDON: Fully-vaccinated people have an around 50 to 60% reduced risk of infection from the Delta coronavirus variant, including those who are asymptomatic, a large English coronavirus prevalence study found on Wednesday. Imperial College London researchers said people who reported receiving two vaccine doses were half as likely to test positive for COVID-19, adjusting for other factors such as age, whether or not the people tested had COVID-19 symptoms. Focusing on those who had COVID-19 symptoms, effectiveness rose to around 59%, according to the study, which covered…

Read More