<Anchor> The

number of patients in the United States is close to 870,000. However, it is an analysis that the actual number of infected people will be much more than that. It is also said that New York City, the most serious city, may have had one out of every five people.

Correspondent Correspondent Kim Yun-soo of Washington.

<Reporter>

New York State, USA recently conducted an antibody test on 3,000 residents.

The results showed that 13.9% had antibodies.

This translates to 2.7 million people in New York State.

In New York City, part of New York State, 21.2% were positive.

1 in 5 people.

[Governor Cuomo / New York Governor: It's a lot more widespread infection than many people thought. And you can also see that the virus has spread faster.]

Having an antibody means that it has already been infected and recovered, but it is analyzed that it is often not caught in statistics because it is either symptomless or light.On the 1st of last month, when New York City's first confirmed person was found, more than 10,000 New Yorkers were already infected.

Northeastern University of the United States at the time said that there were only 23 confirmed cases in five major cities, such as New York and San Francisco, but the actual infection reached 2,900, and the infection began much earlier than known.

[Alessandro Beth pigs Nani /美Northeastern University professor: It is a thousand kill infections occurred in five metropolitan areas in early March already means something that infections are starting to get the second in early January, long before -

in a hidden infections in many situations There is growing concern that Corona 19 may explode again if it resumes economic activity.

(Video coverage: Jungsik Oh, Video editing: Yonghwa Jung)