I have received the order and will be playing another shortly.

“It is not fair that everybody knows about Viagra, Levitra worked perfectly for me and moreover it is less expensive and easier to find. I almost have not experienced any side effects, at least those severe to make sex impossible. Works like a charm.”

Most of the queries, from people flagging potential symptoms, were handled online.

The advice comes as the government faces growing criticism over a lack of testing for frontline staff.

However, experts say a fever and a cough are still the main ones to look out for.

A drug that could treat patients with coronavirus is to undergo clinical trials at 15 NHS centres.