Short (<10 days)

Arboviral infections (including chikungunya, dengue and Zika virus)

Enteric bacterial infections

Malaria (minimum six days)

Plague

Scrub typhus, Q fever, spotted fever group, for example tick typhus (louse-borne, flea-borne)

Typhoid and paratyphoidViral haemorrhagic fever (VHF) (Lassa, Marburg, Crimean-Congo haemorrhagic fever, Ebola, Rift Valley)

Medium (10–21 days)

African trypanosomiasis

Brucellosis

Leptospirosis

Malaria

Scrub typhus, Q fever, spotted fever group, for example tick typhus

Typhoid and paratyphoid

Long (>21 days)

Amoebic liver abscess

Filariasis

HIV

Malaria

Schistosomiasis (Katayama fever)

Tuberculosis

Viral hepatitis

Visceral leishmaniasis