Table 1.

Times at which clinical markers are detected in each type of infection

	Lassa	Marburg
Fever	Day 3	Day 4
Viremia	Day 8	Day 4
Increased AST/ALT	Day 6	Day 6
Increased D-dimers	Day 5	Day 6

Viremia was measured using RT-PCR in the Lassa group, and RT-PCR and plaque assay in the Marburg group.