A medical worker administers a dose of the monkeypox vaccine to a recipient at a monkeypox vaccination site in Los Angeles County, California, the United States, on Aug. 25, 2022. The United States has confirmed 16,926 monkeypox/orthopoxvirus cases as of Thursday afternoon, according to the latest data from the U.S. Centers for Disease Control and Prevention (CDC). (Photo by Zeng Hui/Xinhua)
A medical worker prepares a dose of the monkeypox vaccine at a monkeypox vaccination site in Los Angeles County, California, the United States, on Aug. 25, 2022. The United States has confirmed 16,926 monkeypox/orthopoxvirus cases as of Thursday afternoon, according to the latest data from the U.S. Centers for Disease Control and Prevention (CDC). (Photo by Zeng Hui/Xinhua)
A sign of vaccination entrance is seen outside a monkeypox vaccination site in Los Angeles County, California, the United States, on Aug. 25, 2022. The United States has confirmed 16,926 monkeypox/orthopoxvirus cases as of Thursday afternoon, according to the latest data from the U.S. Centers for Disease Control and Prevention (CDC). (Photo by Zeng Hui/Xinhua)
A medical worker administers a dose of the monkeypox vaccine to a recipient at a monkeypox vaccination site in Los Angeles County, California, the United States, on Aug. 25, 2022. The United States has confirmed 16,926 monkeypox/orthopoxvirus cases as of Thursday afternoon, according to the latest data from the U.S. Centers for Disease Control and Prevention (CDC). (Photo by Zeng Hui/Xinhua)