Page 540 - The Veterinary Laboratory and Field Manual 3rd Edition
P. 540

Important zoonotic diseases  477



                disease     Agent         Animals    Mode of      Clinical signs in   Action/ prevention
                                          involved   transmission   humans       & notes
                                                     to humans
                Leptospirosis*  Leptospira  Different   Direct contact   Fever,   Test stock. Avoid
                            interogans    serovars   with infected   photophobia,   splashing urine in
                            serovars      have specific   animals,   aching joints,   eyes. Boil milk. Care
                                          host species,  especially urine,  urinary tract   when attending cases
                                          wildlife and   abortion fluids.  infection.   of abortion. Test stock
                                          domestic   Also indirect   There may be   and treat. Vaccination
                                          stock.     contact via soil  jaundice and   for livestock is
                                                     and water.   haemoglobinuria.   available. Some
                                                                                 strains are endemic
                                                                                 in rodents and are
                                                                                 present in waterways
                                                                                 (Weil’s disease)
                Listeriosis  Listeria     Widespread.  Food borne.  May cause    Wash vegetables
                            Monocytogenes                         abortion or birth   in clean water,
                                                                  defects in unborn   hygiene. Be careful
                                                                  child.         with chilled produce
                                                                                 (salads, soft cheeses
                                                                                 soft cheeses, some
                                                                                 sea food etc.) and
                                                                                 delicatessen meats
                                                                                 if pregnant or
                                                                                 immunosuppressed.
                Meliodosis*  Burkholderia   Widespread   Contamination   Systemic disease,  Look after wounds
                            pseudomallei  in wild and   of wounds.  fever, chills, death. and avoid walking
                            (previously   domestic                               bare foot in areas
                            Pseudomonas   animals, soil                          contaminated with
                            pseudomallei)  contamination                         animal faeces.
                                          especially in                          Whitmore’s disease,
                                          rice paddies.                          more common in the
                                                                                 tropics. Vaccines in
                                                                                 development.
                Plague*     Yersinia pestis  Rodent, flea   Flea bite,   Bubonic and   Control rodent
                                          life cycle.  inhalation of   pneumonic forms.  population and fleas.
                                                     fomites.     Enlarged lymph   Avoid overcrowding,
                                                                  nodes, fever   contaminated air
                                                                  and malaise and   bedding. General
                                                                  respiratory disease,  hygiene. Vaccination
                                                                  death.         available, antibiotics.
                Psittacosis  Chlamydophila/  Birds.  Inhalation,   Flu-like symptoms  Take care when
                            Chlamydia psittaci       direct contact.  Can be more   handling dead or
                            (parrot fever).                       severe pneumonia  sick birds. Undertake
                                                                  asthma-like.   avian necropsies in a
                                                                  Oxytetracycline is   biosafety cabinet.
                                                                  the treatment of
                                                                  choice as a lot of
                                                                  other antibiotics
                                                                  will not work.









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