Datuk Dr Noor Hisham Abdullah said health workers at clinics and hospitals must treat all severe acute respiratory illnesses (SARI) and influenza-like illnesses (ILI) cases, even a runny nose, as if they were dealing with Covid-19 patients.br br The Health director-general said the Health Ministry had instructed its frontliners to put on protective equipment when treating SARI and ILI cases.br br Some 45 doctors have been diagnosed with Covid-19.