coronavirus symptoms on top of the official three classic signs.Classic and already known symptoms of Covid-19 are a new and continuous cough, fever, and loss of a sense of taste and smell.Those who display any of those three warning signs are urged to self-isolate and be tested immediately.Currently the free NHS test is only offered to those who have one of the trio of official symptoms.However, experts are now closely monitoring changes in how the virus spreads and attacks following the arrival of new variants in the UK - including the Kent strain, the South African variant, and the Bristol variation of the original coronavirus.And according to researchers from two different studies there could now be 16 symptoms in total, including the.