Vacunas experimentales para el COVID19 empiezan a probarse en EEUU
Por 123despasito el 16 mar 2020, 21:36
Experimental COVID-19 vaccine test begins as U.S. volunteer receives first shot https://t.co/xpBVudj30u pic.twitter.com/KSAfOSEEOv
— TIME (@TIME) March 16, 2020
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