SAN FRANCISCO (KCBS RADIO) – Amid simultaneous outbreaks of the flu, RSV and COVID-19, some doctors are concerned about the effects of vaccine fatigue as people get fed up with boosting up.
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To answer your questions, KCBS Radio news anchor Eric Thomas spoke with Dr. William Schaffner, professor of preventive medicine at Vanderbilt University School of Medicine, on "Ask An Expert."






