Holidaymakers were key in spreading a variant of coronavirus across Europe that is behind 90 percent of cases in the UK, after a super-spreader event among Spanish farmers sparked a countrywide infection.

Research showed that the Spanish strain accounted for 90 percent of sequences from the UK, 60 percent from Ireland, 40 percent from the Netherlands, 30 percent from Switzerland and has been identified in Belgium, France, Germany, Italy, Latvia, Norway, and Sweden.

The strain of the virus, 20A.EU1, started among farm workers in Spain, spread throughout the local population, and was carried by people returning from holiday to countries across Europe, helping to proliferate the spread of the disease, and resulting in cases soaring across the continent. (RT)