The Pfizer-BioNTech vaccine dramatically reduces symptomatic covid-19.

The rarity of freezing temperatures in much of the US

Here's what you need to know to start your day.

First the truth.

1

Biden says America could get back to normal "next Christmas"

US President Joe Biden answered questions from Americans as the nation aims to contain the coronavirus pandemic, reopen schools and revive the economy.

He said that "by the end of July we will have more than 600 million doses, enough to vaccinate all Americans" and assured that by the end of the year the situation will be different.

two

Pfizer-BioNTech Vaccine Dramatically Reduces Symptomatic Covid-19

Pfizer-BioNTech's covid-19 vaccine appears to reduce symptomatic coronavirus infections by more than 90% in the real world, Israeli researchers said.

3

What the Democrats' relief plan includes

House Democrats were busy last week promoting a wide range of coronavirus relief provisions, as part of President Joe Biden's $ 1.9 trillion stimulus package.

4

The rarity of freezing temperatures in much of the United States

Historically low temperatures have generated the coldest air in decades across much of the United States, reaching as far as the Rio Grande River and producing record amounts of snow and ice in the southern part of the country.

These are some of the records that have been broken in the United States for cold weather, as well as some of the most interesting statistics recorded due to extreme temperatures.

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Parts of the US face their coldest winter in 88 years 1:14

5

Almost all children in the US live in covid-19 red zones

About 89% of children in the US live in a county considered a red zone with high levels of covid-19 transmission under the new school opening guidelines shared by the Centers for Disease Control and Prevention ( CDC) on Friday, according to a CNN analysis of federal data.

At coffee time

Destinations open to travelers vaccinated against covid-19

As the covid-19 pandemic continues to wreak havoc in the travel sector, countless destinations around the world are rolling out vaccines for their most vulnerable citizens.

Adidas sells Reebok to focus on its own brand

Adidas says it will remove the American fitness brand Reebok as part of a strategic shift.

Explore Jezero Crater, the future home of NASA's Perseverance rover

The Perseverance rover will explore the site of an ancient lake and river delta on Mars called Jezero Crater.

Tourists taking selfies could be transmitting COVID-19 to gorillas

Tourists taking selfies with wild mountain gorillas could put primates at risk of developing COVID-19, according to new research.

Nestlé's new KitKat is missing a key ingredient

Eating a vegan KitKat bar is now a reality.

Nestlé launches vegan KitKat bar 0:48

The number of the day

US $ 10 million

Michael Jordan donates $ 10 million to open new medical clinics in North Carolina.

Quote of the day

“This did not seem like an armed insurrection to me.

When you hear the word 'armed', don't you think of firearms? "

Republican Senator Ron Johnson said that what happened on January 6 at the US Capitol was not an "armed insurrection."

Selection of the day

The best offers you should take advantage of today

CNNE Underscored is the guide to products and services that helps you live a smarter, simpler and more fulfilling life.

And to finish…

How to remove the snow left by the winter storm in front of your house?

For millions of people in the US and Mexico, the snow left behind by extreme weather in recent days is unusual.

It is important to know how to remove it from the entrance of your house without representing a risk.

It is also important to know how and when to spread table salt, as a way to address this situation.

So you can remove the snow from the entrance of your house 1:05