What could you do if your data was working for you and not against you? With Bloomberg delivering

enterprise data directly to your systems, you get easy access to the details you want, optimized for

higher level analysis, and financial data experts committed to helping you maximize your every move.

Our data is made for more, so you can show the world what you're made of. Visit Bloomberg.com slash enterprise data to learn more.

Welcome to Prognosis. I'm Laura Carlson. It's day 317 since coronavirus was declared a global pandemic.

Today's main story, President Joe Biden has made it his mission to reopen most schools in the U.S. in his first 100 days on the job.

But teachers, parents, and local policymakers aren't all on the same page about how to do that safely. But first, here's what

happened in virus news today.

New York City will delay opening vaccination megasites at Yankee Stadium and City Field because of vaccine shortages.

The city will miss its goal of one million doses by the end of January.

The city received about 100,000 fewer doses last week than it had expected from the U.S. government.

Mayor Bill de Blasio said the city is equipped to vaccinate 500,000 people a week if it gets a supply increase.

In the meantime, it's rescheduling appointments.

U.S. infectious disease chief, Anthony Fauci, said he's worried about a push to delay administering the second dose of COVID-19 vaccines. At a World Economic Forum panel today, Fauci said it's best to give shots in line with the schedules outlined in clinical trials.

Pfizer recommends a second dose of its vaccine after three weeks, and Moderna has a four-week interval.

Fauci was concerned about the efficacy of the vaccine if those intervals were stretched,

and said that delaying the second shot could also give rise to more mutated forms of the virus.

Finally, the UK reported the lowest number of new cases since the middle of December.

Prime Minister Boris Johnson said his government would start considering which measures could be relaxed at the beginning of next month.

The indicators hint at an impending peak in the number

of deaths being reported each day, which last week hit a record. There are still thousands

of people on mechanical ventilation, and UK hospitals are still under significant strain.

...