translation.en: Healthy carriers probably do not exist, but infected adults, who usually have only mild symptoms, can spread bacteria for weeks.
translation.mt: Carriers b'saħħithom probabilment ma jeżistux, iżda adulti infettati, li normalment jkollhom biss sintomi ħfief, jistgħu jxerrdu l-batterji għal ġimgħat sħaħ.