Australia's most populous state recorded no new Covid-19 infections for a third straight day but extended raised social distancing and mask-wearing rules by a week as the authorities hunted for the source of a small outbreak.
After a Sydney couple tested positive to the coronavirus last week, ending a long run without community transmission, the authorities reinstated some social distancing measures until 10 May, and a campaign to get more people tested, as they scrambled to determine the source of infection.
Authorities reported a third straight day without a new case, easing concerns about a wider outbreak in the city, but cited the mystery cause of infection as a reason for extending the measures. "As the 'missing link' case hasn't been