China News Service, July 29. According to the Associated Press, the mayor of San Francisco announced on the 28th local time that due to the increasing number of monkeypox cases, San Francisco has entered a state of health emergency.

Data map: A section of skin tissue collected from a skin lesion of a monkey infected with monkeypox virus.

  There are more than 260 confirmed cases of monkeypox in the city, according to the San Francisco Department of Health.

  According to reports, there is a nationwide shortage of monkeypox vaccine in the United States, and people have to queue for hours to get the vaccine, and when the vaccine runs out, they can only be turned away.

  According to the U.S. Centers for Disease Control and Prevention (CDC) official website, as of the 27th local time, the total number of confirmed cases of monkeypox in the United States has reached 4,639.

  Monkeypox is a viral zoonotic disease caused by infection with the monkeypox virus.

Monkeypox virus can be transmitted from animals to humans through close contact and through close contact with virus-contaminated materials such as bedding.

The typical clinical manifestations of monkeypox are fever, rash, and swollen lymph nodes, and may lead to a series of complications.