Dr. Ruth Berggren, Infectious Diseases and Center for Medical Humanities and Ethics at UT Health San Antonio, told KSAT 12 that individuals can get variants of the COVID-19 virus twice, and that the best defense still is to get vaccinated.
Newsroom
Dr. Ruth Berggren, Infectious Diseases and Center for Medical Humanities and Ethics at UT Health San Antonio, told KSAT 12 that individuals can get variants of the COVID-19 virus twice, and that the best defense still is to get vaccinated.