
Novel infectious disease is an infectious disease that has newly appeared in a human population.

Why is it important to properly maintain drainage pipes and regularly re-fill U-traps?.If there is no water and liquid soap, can I use alcohol-based handrub instead?.After cleaning the hands with water and liquid soap, how should the faucet be turned off?.What are the other measures to prevent respiratory tract infection other than wearing a mask?.What preventive measures should be taken when travelling outside Hong Kong?.Will COVID-19 disappear spontaneously when the weather becomes warm?.Will there be no symptom for COVID-19? Will patients die suddenly on the street?.Is the death rate very high for COVID-19?.What is incubation period? How long is it for COVID-19?.

What is the mode of transmission of COVID-19?.What is Coronavirus Disease 2019 (COVID-19)?.
