Ms Pazzano put other questions to Professor Senanayake that her colleagues at SBS Radio had heard posed by their multicultural communities.

Will sunbathing keep me safe? Will drinking alcohol or hot water or lemon water clear my throat of the virus? Do 5G mobile networks spread COVID-19?

She also asked about a rumour Cedric Yin-Cheng, the founder of gay advocacy group ANTRA, says began spreading in Mandarin-language media in February: can the anti-HIV drug PrEP …