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Welcome to Prognosis. I'm Laura Carlson. It's day 191 since coronavirus was declared a global pandemic. Today's main story,

the United States is on the doorstep of another tragic milestone, 200,000 deaths in the country.

We're still unpacking everything that has happened in the eight months since the

virus hit its shores and where we go from here. But first, here's what happened in

virus news today. Coronavirus vaccine shots will be ready for public use as early as November or December in China.

That's what the country's top biosafety scientist said this week.

That timeline would make the country one of the first in the world to distribute a vaccine.

In an interview with state television on Tuesday,

Wu Guizhen, chief biosafety expert at China's Disease Control and Prevention Center,

said final stage clinical trials of several vaccine candidates had progressed smoothly.

She said she had taken a vaccine shot in April herself

and had felt nothing abnormal.

With the economic devastation of containment measures

becoming too much to bear for many governments,

political pressure has grown on drug makers

to deliver vaccines quickly.

London mayor, Sadiq Khan, said further measures may be announced in the next few days and weeks

to contain infections in the UK capital. The potential restrictions come as virus cases surge in the city.

...