Tom Hanks has thanked "the helpers" and has appealed for people to take care of each other as he and wife Rita Wilson continue their coronavirus quarantine in Australia.

Echoing the words of the late Fred Rogers, the children's television presenter he portrayed in recent biopic A Beautiful Day in the Neighborhood, Hanks wrote: "Thanks to the Helpers. Let's take care of ourselves and each other. Hanx." 

The accompanying photo featured a toy kangaroo holding an Australian flag, a toy koala clinging on to a tube of Vegemite spread and two slices of brown toast with Vegemite. 

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On Thursday, Hanks announced his diagnosis on Twitter and revealed that both he and his wife had contracted the virus. The 63-year-old Oscar-winner said he felt like he had a cold, while Wilson, also 63, suffered from "chills".

Hanks and Wilson entered isolation in hospital on the Gold Coast in eastern Australia after being confirmed with the disease, Queensland state health officials said. In a later post, the couple said they were taking it "one day at a time".

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Hanks was on the Gold Coast for pre-production of an Elvis Presley biopic directed by Australian director Baz Luhrmann, in which the actor portrays the legendary singer's longtime manager, Colonel Tom Parker. On Saturday, Luhrmann tweeted that he would also be "in isolation for the next 10 days", describing himself and his family as "healthy and well".