Much Causes For Humans
Human malaria is caused by four species of malaria parasites: Plasmodium falciparum, P.vivax, P.malariae and P.ovale. Only Anopheles mosquitoes transmit the malaria parasite
Anopheles species are considered to be the main vectors, which must have at least the conditions such as blood-sucking only, the mosquitoes have receptors for the malaria parasite and the presence of the malaria parasite in the salivary glands.
To be able to complete the sexual cycle of the malaria parasite in the mosquito body, there are many factors that influence this cycle such as maturity, density and quality of gamete; effects of nutrient films on mosquito stomach and other biological barriers; temperature and climate of the external environment; longevity of mosquitoes; quality of pasteurization.
In the epidemiological investigation of the relationship between Anopheles mosquitoes and humans, attention is paid to epidemiological indicators such as the density index by assessing the number of adults caught in the home, the number of attacks on people in 1 hour or day and night
In Vietnam there are about 60 species of Anopheles but there are about 13 species capable of transmitting malaria because the malaria parasite has been found in the salivary glands. In which, the species considered to be vectors mainly An.minimus, An.dirus mainly spreads in mountainous areas; An.epiroticus (formerly known as An
Mosquitoes cause arbovirus disease
Arbovirus is a virus that is transmitted by arthropods. Many arboviruses are transmitted by mosquitoes in nature, but not all are important in medicine. Some major arboviruses are transmitted by mosquitoes and are important in medicine.
Dengue fever is common among children in Southeast Asia.
. He is the natural owner of the Dengue virus. The Asian dengue virus vector Vecto is almost always Aedes aegypti and Ae.albopictus. Aeaegypti is a mosquito that lives in the house, the larvae grow in clean water containers (tap water, rainwater) such as cotton pots, cupboards, water jars, etc. and are responsible for the transmission of mosquitoes disease in rural and rural areas.
In Vietnam, the incidence of dengue fever is always a top concern of Vietnam's health sector.
Yellow fever virus:
Causes hepatitis, kidney, hemorrhage, often death. The disease is endemic in Africa. The natural owner of yellow fever virus is that monkeys are transmitted to each other in the forest by Ae.
.africanus mosquitoes, in rural areas from monkeys to humans by Ae.simpsoni mosquitoes and urban from human to humans by Aeaegypti.
Japanese encephalitis virus
The natural host of Japanese encephalitis virus is pigs and birds. Mosquitoes such as Culex tritaeniorhynchus. C.bitaeniorhynchus, C.vishnui, C.gididus when sucking pig blood or birds will catch Japanese encephalitis virus and when sucking human blood will transmit the virus to the person who is sick. The aforementioned mosquitoes often live in rural areas and pig and bird owners are also in rural areas, so Japanese encephalitis usually occurs mainly in rural areas.
In Vietnam Japanese encephalitis virus is mainly transmitted by C.tritaeniorhynchus, the epidemic season starts around May and peaks in June and July. The incidence is high in children and about 30% of the total cases of encephalitis. Vaccines are now available and children need to be vaccinated to prevent them.
Like the Chikynhikyngunya virus causing "Dengue-like" syndrome transmitted by Ae.aegypt; Sin virus "is transmitted by Ae.aegypt; Sindbis virus causes" Dengue-like "syndrome transmitted by Culex spp. oriental horse encephalitis virus, Western equine encephalitis virus, West-Nile virus, Murray valley encephalitis virus vv ..
Mosquitoes cause lymphatic filariasis
There are three species of lymphatic filariasis that cause disease in humans transmitted by mosquitoes: Wuchereria banrofti, Brugia malayi and B.timori and there are about 40 species of mosquitoes belonging to four genera Anopheles, Culex, Aedes and There are three species of lymphatic filariasis that cause disease in humans transmitted by mosquitoes Wuchereria banrofti, Brugia malayi and B.timori and there are about 40 species of mosquitoes of the four genera Anopheles, Culex, Aedes and MaMansonia that can transmit worms to humans only.
The majority of cases in the world Cx.quinquefasciatus mosquitoes transmit Wbancrofti only, this is an urban mosquito, the larvae grow in water where there are many organic substances, mosquitoes like human blood, live indoors, active cave at night. B.malayi filariasis is transmitted mainly by Mansonia mosquito species (M.uniformis, M.
.annulifera, M.indiana, M.dives, M.annulata ..). Mansonia is a mosquito that only grows in areas where there are aquatic plants such as duckweed, rat's ear, water hyacinth… so the B.malayi filariasis is transmitted by Mansonia spp. developing only in rural areas.
. B.timori filariasis is transmitted by Anopheles spp mainly in Timor and. . Dịch vụ: Thiết kế website, quảng cáo google, đăng ký website bộ công thương uy tín
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