L - organism

- L amazonensis - L borgpetersenii - L braziliensis - L chagasi - L columbiensis - L donovani - L GG - L guyanensis - L interrogans - L longbeachae - L major like - L mexicana - L micdadei - L monocytogenes - L panamensis - L peruviana - L pneumophila - L reuteri - L tropica - L weilii - La Crosse virus - Lachnospiraceae - Lactobacilli - Lactobacillus - Lactobacillus GG - Lassa fever virus - Lassa virus - Latrodectus hasselti - Latrodectus mactans - LCMV - leeches - Legionella - Legionella longbeachae - Legionella micdadei - Legionella pneumophila - Leishmania - Leishmania amazonensis - Leishmania brasilensis - Leishmania brasiliensis - Leishmania braziliensis - Leishmania chagasi - Leishmania columbiensis - Leishmania donovani - Leishmania guyanensis - Leishmania major-like - Leishmania mexicana - Leishmania panamensis - Leishmania peruviana - Leishmania tropica - lentivirus - Leptospira - Leptospira borgpetersenii - Leptospira interrogans - Leptospira weilii - Leptospire - lice - Limosilactobacillus reuteri - Listeria - Listeria monocytogenes - Loa loa (African eye worm) - Lone Star tick - Longhorned tick - Louse borne relapsing fever - Loxosceles reclusa - Lujo virus - lymphocytic choriomeningitis virus