"Animals that use echolocation" . "Animal flight" . "Bird diseases" . "Pollinator mammals" . "Extant Ypresian first appearances" . "Animal virology" . "Nocturnal animals" . "Syndromes affecting the respiratory system" . "Sarbecovirus" . "Taxa named by Johann Friedrich Blumenbach" . "Severe acute respiratory syndrome" . "Viral respiratory tract infections" . "Coronaviridae" . "Zoonotic bacterial diseases" . "Atypical pneumonias" . "Bats" . "Cave mammals" . "Bat virome" .