Experts believe that the real figure maybe ten times higher.
The number of confirmed cases of coronavirus infection in the United States has exceeded 4 million, doubling in just over a month.
Recall that on July 8, the number of cases of infection in the country reached 3 million.
Experts agree that the exact number of cases may be much higher and may exceed the official figure by ten times.
The coronavirus has claimed 144,000 lives in the US. The country still ranks first in the world in terms of the number of cases and deaths.