translation.en: The incubation period ranges between 3 and 10 days. A high fever then appears accompanied by general symptoms and, often, by diarrhoea.
translation.lt: Inkubacinis laikotarpis trunka 3-10 dienų. Po jo prasideda stiprus karščiavimas, lydimas bendro pobūdžio simptomų, dažnai ir viduriavimo.