Question: What Are The 4 Major Disease Vectors?

What are the four major disease vectors?

List of vector-borne diseases, according to their vectorVectorDisease causedMosquitoAedesChikungunya Dengue Lymphatic filariasis Rift Valley fever Yellow Fever ZikaAnophelesLymphatic filariasis MalariaCulexJapanese encephalitis Lymphatic filariasis West Nile feverAquatic snailsSchistosomiasis (bilharziasis)7 more rows•Mar 2, 2020.

How do vectors affect human health?

Vector-borne diseases are illnesses that are transmitted by vectors, which include mosquitoes, ticks, and fleas. These vectors can carry infective pathogens such as viruses, bacteria , and protozoa , which can be transferred from one host (carrier) to another.

What viruses do mosquitoes carry?

Diseases that are spread to people by mosquitoes include Zika virus, West Nile virus, Chikungunya virus, dengue, and malaria. Employers should protect workers and workers should protect themselves from diseases spread by mosquitoes.

Can a human be a vector?

But what about humans: Can we humans be vectors? Technically, sure, says Aiello. But Monto says he probably wouldn’t use the word to refer to humans. “To me vector is usually an arthropod [insects and other animals with exoskeletons],” Monto says.

Is a mosquito a vector?

Mosquitoes can transmit diverse infectious pathogens and parasites that cause diseases such as dengue, Zika, Chikungunya, West Nile fever, or malaria. Therefore, the mosquitoes are so-called disease vectors. In order to do so, though, a mosquito must bite a sick human first, thereby infecting itself with the pathogen.

Which disease is not transmitted by mosquitoes?

Complete answer: Out of the four given options, Pneumonia is a disease that is not transmitted by the mosquitoes. Pneumonia refers to various pulmonary infections that are caused by viruses, fungi, and bacteria. The bacteria Diplococcus pneumoniae is the predominant causative agent of pneumonia.

What diseases can Floods cause?

Floods can potentially increase the transmission of the following communicable diseases:Water-borne diseases, such as typhoid fever, cholera, leptospirosis and hepatitis A.Vector-borne diseases, such as malaria, dengue and dengue haemorrhagic fever, yellow fever, and West Nile Fever.

What are animal vectors?

A vector is a living organism that transmits an infectious agent from an infected animal to a human or another animal. Vectors are frequently arthropods, such as mosquitoes, ticks, flies, fleas and lice.

What vector borne disease kills the most people worldwide?

The most deadly vector borne disease, Malaria, kills over 1.2 million people annually, mostly African children under the age of five. Dengue fever, together with associated dengue haemorrhagic fever (DHF), is the world’s fastest growing vector borne disease.

What are examples of vectors of disease?

Vector-Borne Disease: Disease that results from an infection transmitted to humans and other animals by blood-feeding anthropods, such as mosquitoes, ticks, and fleas. Examples of vector-borne diseases include Dengue fever, West Nile Virus, Lyme disease, and malaria.

What are the most common vectors?

Common vectors include mosquitoes, ticks and various types of flies. Mosquitoes cause the. In the United States, the number of vector-borne diseases has been increasing over time.

What is a major vector of many diseases?

Mosquitoes are the best known disease vector. Others include ticks, flies, sandflies, fleas, triatomine bugs and some freshwater aquatic snails. Diseases transmitted by vectors include: malaria, dengue, Zika virus, Chagas disease, human African trypanosomiasis, schistosomiasis, Chikungunya, Rift Valley fever.

What are called vectors?

Definition of a vector. A vector is an object that has both a magnitude and a direction. Geometrically, we can picture a vector as a directed line segment, whose length is the magnitude of the vector and with an arrow indicating the direction. … Two examples of vectors are those that represent force and velocity.

How is malaria passed on?

How is malaria transmitted? Usually, people get malaria by being bitten by an infective female Anopheles mosquito. Only Anopheles mosquitoes can transmit malaria and they must have been infected through a previous blood meal taken from an infected person.

Which are the vector borne diseases?

More information about vector-borne diseasesChagas disease. … Chikungunya. … Congo-Crimean haemorrhagic fever. … Dengue. … Dracunculiasis (guinea-worm disease) … Human African trypanosomiasis. … Leishmaniasis. … Lymphatic filariasis.More items…

How do vectors transmit diseases?

Vector-borne diseases are infections transmitted by the bite of infected arthropod species, such as mosquitoes, ticks, triatomine bugs, sandflies, and blackflies. Arthropod vectors are cold-blooded (ectothermic) and thus especially sensitive to climatic factors.

What is the most common vector borne disease?

In the United States, the most common vectorborne pathogens are transmitted by ticks or mosquitoes, including those causing Lyme disease; Rocky Mountain spotted fever; and West Nile, dengue, and Zika virus diseases.

Is Ebola a vector borne disease?

Additionally, Ebola virus is not known to be transmitted through food. However, in certain parts of the world, Ebola virus may spread through the handling and consumption of wild animal meat or hunted wild animals infected with Ebola. There is no evidence that mosquitoes or other insects can transmit Ebola virus.