All air travelers from China will be required to submit a negative Covid-19 test before entering the United States, according to the Centers for Disease Control and Prevention.

HONG KONG-CHINA-HEALTH-VIRUS-TRAVEL

Passengers go through immigration at the airport in Hong Kong. The photo was taken by Peter Parks of Peter Parks/Agence France-Presse.

AFP via Getty Images

Anyone traveling from mainland China, Hong Kong and Macau will be required to submit a negative test no later than two days before their flight to the U.S., according to the CDC.

If you have been in China in the past 10 days, you will have to provide a negative test if you want to travel to the U.S.

The U.S. is at risk of being unable to track new coronaviruses due to reduced testing and case reporting in the People's Republic of China.

There has been a surge of Covid-19 cases in China, which has shed its strict lockdown policies in recent months.

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More than one million. The number of new Covid-19 cases in China is estimated by Airfinity. China only reported three Covid-19 deaths on Tuesday and one Monday, but Airfinity says the country is facing more than 5,000 deaths a day. According to minutes from an internal meeting of China's National Health Commission held last Wednesday, 37 million people may have been affected by the H1N1 flu on a single day.

Key Background

Other countries have put in place new precautions to prevent the spread of Covid-19 from China. Negative testing from travelers from China will be required by Japan. Half of all travelers arriving in Milan from China on two recent flights tested positive for Covid-19, prompting Italy to require all incoming travelers from China to be tested.

China appears to have dropped Zero- Covid in favor of P andemic Rules.

It was the worst reported month of covid in china.

The U.S. scales rules when it comes to China arrivals.