By Dr Rajendra Babu,
Specialist in Internal Medicine, The Apollo Clinic, Doha


"It's imperative that the Covid-19 vaccine booster ought to be taken by all those who have completed six months after their second dose.
"Since the pandemic is still continuing and the latest variant Omicron contributing to the spread around the world along with its predecessor Delta, we have to be cautious and alert.
"Booster vaccination is essential to enhance your current and waning immunity, in view of the global surge and emerging new variants."