translation.en: Most infections remain completely without symptoms, while 10% of cases develop mild symptoms only, such as fever, malaise, nausea, and vomiting.
translation.mt: Ħafna mill-infezzjonijiet jibqgħu kompletament bla sintomi, filwaqt li 10% tal-każijiet jiżviluppaw sintomi ħfief biss, bħal deni, għejja, dardir u rimettar.