As authorities ramp up their efforts to contain the spread of Covid-19, a number of major events across the country have been cancelled.
A cloud of uncertainty hangs over many others gatherings including Anzac Day services.
How the government is responding to the coronavirus threat
* All people arriving in Australia from midnight Sunday will have to self-isolate for 14 days.
* Cruise ships from foreign ports are banned for 30 days.
* Non-essential gatherings of more than 500 people will be banned from Monday, but this does not apply to workplaces, schools, universities, supermarkets or public transport.
* A national advertising campaign urges people to wash their hands frequently, cover coughs and sneezes, dispose of tissues, and avoid contact with others if they're feeling unwell.
Major events impacted
* Vivid Sydney Light Festival cancelled
* Sydney's Royal Easter Show cancelled
* St Patrick's Day festivities in Sydney, Adelaide, Perth and Brisbane cancelled
* Melbourne International Comedy Festival cancelled
* Comedy Steps Up for Bushfire Relief at the Sydney Opera House cancelled
* Download festival, scheduled for Melbourne and Sydney, cancelled after My Chemical Romance pulled out amid coronavirus fears
* Melbourne Fashion Festival shows cancelled on Friday and Saturday
* Victorian Supreme Court and County Court new jury trials suspended
* Royal Commission into Violence, Abuse, Neglect and Exploitation of People with Disability postponed this week's community forums in northern Tasmania.
* Next week's Royal Commission into Aged Care Quality and Safety hearings in Adelaide and future hearings closed to the public until further notice
* Cricket's One Day International series between Australia and New Zealand cancelled after one match on Friday, due to NZ's strict self-isolation rules* 2020 World Science Festival Brisbane cancelled
Australia's Pat Cummins casts a lonely figure during game one of the mens ODI between Australia and New Zealand at the Sydney Cricket Ground. Source: AAP
* South Australia's Port Fringe Street Party cancelled
* Melbourne International Flower and Garden Show cancelled
* Tasmania's Dark Mofo 2020 cancelled
* Jimmy Eat World national tour cancelled
* Australian Formula One Grand Prix and Supercars' round in Melbourne cancelled
* Sunday's Sheffield Shield cricket final round cancelled, with decision to be made on the final
* NRL to play without crowds from round two next week, with the NZ Warriors based in northern NSW
* Super Rugby on hold after this weekend's matches
* AFL season to open next week in empty stadiums for foreseeable future
* This also applies to the rest of the AFLW season
* World Surf League opening event of the 2020 Championship Tour on the Gold Coast cancelled
* 2020 Surf Life Saving Championships cancelled
An uncertain future
* Anzac Day services and marches on April 25 still being considered
* Sydney writers' festival ticket sales suspended
* Festival of Dangerous Ideas in Sydney, ticket sales suspended
* Brisbane Comedy Festival shows from Monday under review
* A-League football arrangements to be announced