| LBRF | louse-borne relapsing fever |
|---|---|
| LF | labile factor; lactoferrin; laryngofissure; Lassa fever; latex fixation; left foot; left forearm; le... |
| LFV | Lassa fever virus; low-frequency ventilation |
| MSF | macrophage slowing factor; macrophage spreading factor; Medicins sans Frontieres [Doctors without Bo... |
| OHF | Omsk hemorrhagic fever |