ISLAMABAD: Special Assistant to Prime Minister on Health Dr Zafar Mirza took to Twitter on Sunday to caution people against the use of ?specific medicines? for prevention or treatment of novel coronavirus (COVID-19). He said: ?Some local Drs [doctors] are recommending use of specific medicines for prevention of COVID-19. Not right!? The health czar shared the World Health Organisation?s (WHO) warning which said: ?There is no evidence that current medicine can prevent or cure the disease.