The UK has become the first country to approve Pfizer/BioNTech coronavirusvaccinelinkforuse at a large scale.

British regulator, the MHRA, says the jab, which offers up to 95%protection against Covid-19 illness, is safe for rollout.

Initial details say that immunizations could begin within days for peoplein high priority groups.About the vaccine

The vaccine approved by the UK is a new type called an mRNA vaccine inwhich a small fragment of genetic code is used from the pandemic virus toenable the body to how Covid-19 and build immunity.

Experts say that the vaccine must be stored at around -70C. Special boxespacked in dry ice will be used to transport it. It can be kept for up tofive days in a fridge.