small round structured virus; SRSV
Virology term for a group of small, round viruses; now often classified under Caliciviridae. Used in medical and public health contexts.
Small round structured viruses can cause outbreaks in winter.
The public health center reported food poisoning caused by SRSV.
ノロウイルス is a specific type of SRSV and the most common cause of viral gastroenteritis; 小型球形ウイルス is the broader category.
Compound of 小型 (small), 球形 (spherical), and ウイルス (virus), directly describing the morphology of these viruses.