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Welcome to Prognosis. I'm Laura Carlson. It's day 145 since coronavirus was declared a global pandemic.

Today's main story, once a vaccine is developed, there's a chance it won't help the most vulnerable, elderly people and those with compromised immune systems.

So, drug companies are working on new ways to treat COVID, and hoping to protect the very people, vaccines, may not.

But first, here's what happened in virus news today.

Tokyo confirmed 258 new cases of the virus.

Japan is facing a resurgence of COVID-19.

The country had contained its initial wave of COVID-19 earlier this year, but now infections that were first concentrated in the capital have spread to other urban areas.

Regions that went for months without cases have become new hotspots.

The patient demographic in this new wave has changed too. The virus was first spreading among younger people

who were less likely to get seriously ill.

Now, it's expanding to the elderly.

That's a major concern in the country

with the world's oldest population.

In the U.S., talks to break an impasse over a new virus relief package have become increasingly urgent.

Millions of jobless Americans were left without additional aid after Republicans and Democrats failed to reach a deal

on a new stimulus package. The Senate is scheduled to leave for an extended break on Friday.

The parties remain far apart on some of the biggest sticking points, including extending

the supplemental $600 a week

...