Switzerland's drug regulator has approved Moderna Inc's Covid-19 vaccine, adding a second shot to the country's arsenal against the new coronavirus.

“Following a thorough review of all the submitted data on safety, efficacy and quality, Swissmedic has today temporarily authorised the Moderna vaccine, which is based on an mRNA platform, for use in Switzerland,” the regulator said in a statement.

Swissmedic has also approved the vaccine from Pfizer and BioNTech.