Buffalo News: Is Pfizer’s COVID-19 Anti-viral drug effective for kids? Clinical trial at UB Aims to Find Out Tags COVID-19 Updates Kaleida Health in the News Innovation Read more about Buffalo News: Is Pfizer’s COVID-19 Anti-viral drug effective for kids? Clinical trial at UB Aims to Find Out Paxlovid, an oral treatment authorized for emergency use in high-risk adults in December, is considered a crucial pandemic pill.