Two vaccine doses crucial in fight against Covid variants

Health experts have stressed that getting two doses of Covid-19 vaccines is crucial in the fight against the rising Delta variant.

Health experts have stressed that getting two doses of Covid-19 vaccines is crucial in the fight against the rising Delta variant.

There is growing concern about the rapid spread of the Delta variant, formerly known as the Indian variant, with British prime minister Boris Johnson on Monday announcing a four-week delay in lifting restrictions across the UK.