LEPTOSPIRA infections, several varieties ^ of which occur in the United States (caused by L. icterohemorrhagiae, L. canicola, L. pomona, L. autumnalis, and L. grippotyphosa) produce many syndromes. Classic Weil's disease, icteric and anicteric, is well known as a result of both L. icterohemorrhagiae and L. canicola infection. Both may also produce aseptic meningitis, hemorrhagic nephritis, or iridocyclitis. L. pomona is reported more likely to produce iridocyclitis and aseptic meningitis. L. autumnalis causes "pretibial fever," named for the pretibial erythema commonly seen. L. grippotyphosa produces a myalgic febrile syndrome without icterus, frequently with meningeal signs. In each case accurate diagnosis depends not on clinical syndromes but on a specific agglutination test. For a recent brief summary of the leptospiroses, with key references, the reader is referred to that of Jeghers.1
The following case is reported here because it is unlike any found in the literature and seems unique. It is
LAWLER HJ. PROLONGED SEPTIC LEPTOSPIROSIS: A New Species? AMA Am J Dis Child. 1955;89(2):237–239. doi:https://doi.org/10.1001/archpedi.1955.02050110279017
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