ARTHROPOD-BORNE DISEASES

Arthropod-Borne Diseases D-r Mitova MU-Sofia

ARTHROPOD - BORNE DISEASES Malaria - Anopheles mosquito Yellow fever - Aedes mosquito Dengue fever - Aedes mosquito Encephalitis - Aedes/Culex/fleas Epidemic typhus - Body louse Bubonic plague - flea

Arthropod-borne Viruses ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Transmission Cycles ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Arthropod Vectors ,[object Object],[object Object],[object Object],[object Object]

Examples of Arthropod Vectors Aedes Aegyti Assorted Ticks Anopheles Culex Mosquito

TICKS THAT TRANSMIT LYME TO MAN Deer Tick Pacific Black-legged Tick Photo by John VanDyk, Iowa State Univ. Dime

ACTIVE/BIOLOGICAL TRANSMISSION ,[object Object],[object Object],[object Object],[object Object]

Animal Reservoirs ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Diseases Caused ,[object Object],[object Object],[object Object]

Diagnosis ,[object Object],[object Object],[object Object]

Prevention ,[object Object],[object Object],[object Object],[object Object]

Japanese Encephalitis ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Yellow Fever (1) ,[object Object],[object Object],[object Object],[object Object],[object Object]

Yellow Fever (2) ,[object Object],[object Object],[object Object],[object Object],[object Object]

Dengue (1) ,[object Object],[object Object],[object Object],[object Object],[object Object]

Dengue (2) ,[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],LYME DISEASE - TRANSMISSION OF LYME DISEASE TO MAN Lyme is transmitted from the reservoir species to man primarily by the nymph stage of the tick .

TRANSMISSION OF LYME DISEASE TO MAN The tick waits on a blade of grass or leaf of a shrub with its front legs extended. It crawls onto the potential host when it brushes against the extended front legs.

COMMON EARLY SYMPTOMS ,[object Object],[object Object],[object Object],[object Object],[object Object]

COMMON EARLY SYMPTOMS Bulls Eye Rash: Erythema Migrans

CHRONIC SYMPTOMS ,[object Object],[object Object],[object Object]

Rickettsia ,[object Object],[object Object]

INSECTICIDES. ,[object Object]

[object Object],[object Object]

[object Object],[object Object],[object Object]

[object Object],The second generation includes tetramethrin (Neo-Pynamin®) (1965), followed by resmethrin (Synthrin®) in 1967 (20X as effective as pyrethrum), then bioresmethrin (50X as effective as pyrethrum) (1967), then Bioallethrin® (1969), and finally phonothrin (Sumithrin®) (1973). The third generation includes fenvalerate (Pydrin® [discontinued], Tribute®, & Bellmark®), and permethrin (Ambush®, Astro®, Dragnet®, Flee®, Pounce®, Prelude®, Talcord®& Torpedo®) which appeared in 1972-73. Recent additions to the fourth generation pyrethroids are acrinathrin (Rufast®), imiprothrin (Pralle®), registered in 1998, and gamma-cyhalothrim (Pytech®), which is in development.

ARTHROPOD-BORNE DISEASES

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ARTHROPOD-BORNE DISEASES