Elsa Estrada, 6, smiles at her mother as pharmacist Sylvia Uong applies an alcohol swab to her arm before administering the Pfizer COVID-19 vaccine at a pediatric vaccine clinic for children ages 5 to 11 set up at Willard Intermediate School in Santa Ana, Calif., Nov....
Natasha Burgert, a pediatrician in Overland Park, Kansas. The vaccines have proved highly safe and effective at reducing the risk of severe illness, hospitalization and death. Overall, 63% of Americans are fully vaccinated....
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芝加哥论坛报-国家与世界
2022-01-13 00:00:00.0