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Lactobacillus acidophilus
Lactococcus lactis
Lassa virus Josiah
Lawsonia intracellularis
Legionella longbeachae
Legionella pneumophila
Leishmania
Leishmania infantum/L.donovani
Leishmania major
Leishmania tropica
Leptospirosis
Listeria monocytogenes