Sindh health department revealed on monday: Karachi is seeing an rising number of respiratory diseases. There has been a dangerous surge in respiratory diseases in the city, with 248 cases of various respiratory diseases reported upto 13 February this year. The highest number of cases is about 119, were of H1N1 influenza virus. Furthermore , there have been 8 cases of the corona virus, 15 cases of rhino virus and 2 cases of RSV reported. Health experts have advised citizens to wear facemask and wash their hands to avoid contraction of the influenza virus as it is easily transmissible.