But the UK's chief scientific adviser said there is "a risk" such measures could be needed as winter approaches.
Laakiin la-taliyaha sare ee sayniska ee Dalka Ingiriiska ayaa sheegay inay jirto "khatar" tallaabooyin noocan oo kale ah ayaa loo baahan karaa markii loo soo dhowaado xilliga qaboobaha.