"Masks are a helpful addition in the fight against COVID-19 if used correctly. NSW Health strongly encourages people to wear them when unable to physically distance, particularly in indoor settings, to keep everyone safe.
NSW Chief Health Officer Dr Kerry Chant said masks are recommended particularly in indoor settings such as on public transport, and in places where people congregate, such as entertainment venues and services at places of worship.
“By wearing a mask, you are protecting other people. If you are unknowingly infected, wearing a mask will reduce the chance that you pass the virus on to others,” Dr Chant said. “Physical distancing is still one of the most important things you can do to protect yourself,” said Dr Chant. “Try to avoid crowds, but where physical distance cannot be maintained, wearing a mask is an important protective measure for other people, along with good hand hygiene. Always stay home if you are sick, and get tested early.”
When wearing a face mask, it is important to use it properly by:
Masks should not be worn by young children or anyone who has trouble breathing or who is unable to remove the mask themselves without assistance."
Source: NSW Health