A healthcare worker prepares the administration of the COVID-19 vaccine at Long Island Jewish Medical Center in New York, the United States, on Dec. 14, 2020. The United States started the rollout of its first COVID-19 vaccine on Monday, as the first doses were administered to health care workers and nursing home staffers. (Xinhua/Wang Ying)
Stephanie Cal (L), a nurse at Long Island Jewish Medical Center, is inoculated with the COVID-19 vaccine in New York, the United States, on Dec. 14, 2020. The United States started the rollout of its first COVID-19 vaccine on Monday, as the first doses were administered to health care workers and nursing home staffers. (Xinhua/Wang Ying)
A healthcare worker shows a vial of the COVID-19 vaccine at Long Island Jewish Medical Center in New York, the United States, on Dec. 14, 2020. The United States started the rollout of its first COVID-19 vaccine on Monday, as the first doses were administered to health care workers and nursing home staffers. (Xinhua/Wang Ying)
A healthcare worker prepares the administration of the COVID-19 vaccine at Long Island Jewish Medical Center in New York, the United States, on Dec. 14, 2020. The United States started the rollout of its first COVID-19 vaccine on Monday, as the first doses were administered to health care workers and nursing home staffers. (Xinhua/Wang Ying)
The United States started the rollout of its first COVID-19 vaccine on Monday, as the first doses were administered to health care workers and nursing home staffers.