River blindness
Malaria
Polio
Cholera
Bilharzia (shistosoma)
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Pls mind d main idea in d qestion "vector" which can be kild or rather controld: cholera z carrid by housefly, malaria by female anopheles mosq, river blindnes by blackfly, bilharzia by intermediatehost snail, but polio being a viral disease has nt been scientificaly proven to b carid by any vector...
The right answer is D.Polio. Coz itz causative organism is Virus. So Hw do U kill virus?
To be sincere, the question is very confusing two options is correct which is option C&D. NB:Both of these diseases do not have vectors, Cholera is a foodborne / waterborne disease and Poliomyelitis is spread through fecal-oral or oral-oral contact with an infected person. They both only infect humans.Thus, both cannot be controlled through killing any vector.The best way to prevent Cholera is to avoid potentially contaminated food and water and follow proper sanitation practices.The best way to prevent polio is through immunisation via vaccines.
vector is a carrier of a disease whereby d vector of cholera is dirty food and water,with which dey cnt b killed
Answer is D.Cholera affects only humans;
there is no insect vector or animal
reservoir host-W.H.O
apart from drinking of contaminated food and water cholera and typhoid fever which are cause by a bacteria are transmitted by housefly, don't mistake it with yellow fever which is transmitted by ades mosquito
