The World Health Organization lists the most common symptoms of Covid-19 as fever, tiredness and a dry cough. Others include a runny nose, sore throat, nasal congestion, pain, diarrhoea and the loss of sense of taste and/or smell. But there are also other more unusual symptoms that patients have presented.

‘Covid toe’

Patients in several countries have reported rashes on their toes, resembling chilblains, in many cases unaccompanied by any of the usual symptoms of the virus. The condition has been dubbed “Covid toe”. The rashes can take the form of red or purple lesions and, despite the name, can be found on the side or sole…