221q: which of the following is not transmitted by lice ?
a. Q fever
b. Trench fever
c. Relapsing fever
d. Epidemic typhus
222q: true about endemic typhus ?
a. man is the only reservoir of infection
b. flea is a vector of the disease
c. the rash developing into an eschar is characteristic of the disease
d. culture is the diagnostic modality
223q: brucellosis can be transmitted by all of the following modes except ?
a. contact with infected placenta
b. ingestion of raw vegetables from infected farms
c. person to person transmission
d. inhalation of infected dust or aerosol
224q: the following statements are true regarding leptospirosis except ?
a. it is zoonosis
b. man is the dead end host
c. man is an accidental host
d. lice act as vectors of infection
225q: the mechanisms by which cholera might be maintained during the intervals between peak cholera seasons is ?
a. carrier status in animals
b. carrier status in man
c. an environmental reservoir
d. continuous transmission in man
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