WHO advisers urge third Covid vaccine dose for some people

Medical staff administer the third dose booster Pfizer vaccine shot to a woman at the Matei Bals hospital in Bucharest, Romania (Vadim Ghirda/AP)

An expert group advising the World Health Organisation (WHO) on vaccines has recommended that older people and those with compromised immune systems get an extra dose of Covid-19 vaccine as part of their regular schedule.

It is in line with what many rich countries including Britain, France and the US have already recommended for their populations.