sandfly
Using insecticides
That is usually called the resultant vector.
It is a displacement vector.
Vector addition derives a new vector from two or more vectors, and vector resolution is breaking a vector down into its two or more components.
It has magnitude 0 and a direction and obeys vector laws, so is a vector
There is currently no licensed vaccine against Leishmania and control measures rely on chemotherapy to alleviate disease and on vector control to reduce transmission. A major vaccine development program aimed initially at cutaneous leishmaniasis is under way.
Leishmaniasis is transmitted by sand flies which bite an infected dog and then bite another causing the transmission. Potentially humans can be infected in the same manner.
William leishmaniasis
trypanosoma
female anopheles mosquito
indirect contact
The tsetse fly.
Leishmaniasis is normally spread via the bite of a female sandfly in areas where Leishmaniasis is endemic. Leishmaniasis is also spread by blood transfusion, sharing needles, sexually and congenitally. The Leishmaniasis parasite has been proven to survive in stored blood for at least 30 days which is why the US Military and the CDC have a ban on donating blood for one year for persons returning from endemic countries, to include Iraq and Afghanistan.
tsetse fly
At any one time, about 20 million people throughout the world are infected with leishmaniasis. Between one million and one and one-half million cases of cutaenous leishmaniasis are reported yearly worldwide.
vector-borne transmission
vector-borne