208 Ch 208. SARS-CoV-2 and COVID-19

Pandemic 2019-2023+ (WHO PHEIC ended May 2023); 7M+ confirmed deaths globally; endemic transmission ongoing; Omicron BA.5 → JN.1 → KP.3 → ongoing evolution; long COVID (post-acute sequelae) 1-3% prevalence; Paxlovid + bivalent/monovalent mRNA vaccines annual; immunocompromise pre-exposure mAb (pemivibart) post-loss of mAb landscape。