translation.en: Transmission occurs via the oral-faecal route or contact with saliva. Most infections remain completely without symptoms, while 10% of cases develop mild symptoms only, such as fever, malaise, nausea, and vomiting.
translation.lv: Vairumā gadījumi infekcija paliek bez simptomiem, bet 10% gadījumos ir tikai vāji simptomi, piemēram, drudzis, savārgums, nelabums un vemšana.