Babesia spp. (B. microti, B. divergens)

• Babesia spp. (B. microti, B. divergen)

  • Causes Texas cattle fever/ Red water fever/ Tick Fever/ Nantucket Fever

  • Vector: Ixodes scapularis ticks

  • Definitive Host: Ixodes scapularis ticks

  • Intermediate Host: Man or other mammals

  • Reservoir Host: B. divergens, cattle and rabbits
• Babesia spp. (B. microti, B. divergen)

  • Infective stage: Sporozoites

  • Diagnostic stage: Trophozoites

  • Mode of Transmission: Bite of the Vector, Blood Transfusion

  • Diagnostic tetrads: Maltese cross (Merozoites)

  • Although the life cycle of Babesia spp. Is similar to that of Plasmodium spp. No exoerythrocytic stage has been reported.
• Babesia Spp. (B. microti, B. divergens)

  IXODID TICK

  
• LIFE CYCLE

  A) Trophozoite

  B) Merozoite

  C) Gamete

  D) Fertilization in Gut

  E) Ookinite

  F) Sporogony

  G) Sporozoite

  H) Trophozoite

  I) Merozoite