Coronavirus live news: global cases near 22m as Wall Street record defies economic gloom

US and Brazil continue to drive worldwide count as deaths pass 775,000; S&P500 index closes at all-time high; European restrictions tighten

Testing and contact tracing are crucial measures for slowing the spread of Covid-19, but are not enough on their own to contain the disease, according to a new study by researchers at Imperial College, London.

The work published on Wednesday in the The Lancet Infectious Diseases says that test-and-trace can reduce the virus’ reproduction rate, or R number, by 26%, AFP reports.

Australia’s prime minister, Scott Morrison, says it will be compulsory for people to have a Covid-19 vaccine once it is available.

Australia had earlier revealed it has agreed a deal with AstraZeneca to supply the potential Oxford University vaccine. People will receive the vaccine for free in Australia, Morrison said, calling the Oxford vaccine “one of the most advanced and promising in the world”.

Related: Coronavirus Australia latest updates: Victoria reports 216 new cases and 12 deaths as Scott Morrison says vaccine will be mandatory

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from The Guardian https://ift.tt/2FwBEfD

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