Search results
Results from the WOW.Com Content Network
Sandfly species transmit the disease leishmaniasis, by acting as vectors for protozoan Leishmania species, and tsetse flies transmit protozoan trypansomes (Trypanosoma brucei gambiense and Trypansoma brucei rhodesiense) which cause African Trypanosomiasis (sleeping sickness). Ticks and lice form another large group of invertebrate vectors.
Disease Discoverer 2600 BC: Malaria [1] 1900 BC: Rabies: 1600 BC: Cancer: Hippocrates: ca 300: Dengue: Jin Dynasty (266–420) 9th century: Measles: Muhammad ibn Zakariya al-Razi: 14th century: African trypanosomiasis: First described by Arab traders [2] 1798: Color blindness: John Dalton: 1798: Amyotrophic lateral sclerosis: John Dalton: 1881 ...
A zoonosis (/ z oʊ ˈ ɒ n ə s ɪ s, ˌ z oʊ ə ˈ n oʊ s ɪ s / ⓘ; [1] pl.: zoonoses) or zoonotic disease is an infectious disease of humans caused by a pathogen (an infectious agent, such as a bacterium, virus, parasite, or prion) that can jump from a non-human vertebrate to a human.
Lack of animal models: Experimental infection in animals has been used as a criterion to demonstrate a disease-causing ability, but for some pathogens (such as Vibrio cholerae, which causes disease only in humans), animal models do not exist. In cases where animal models were not available, scientists have sometimes infected themselves or ...
Furthermore, wildlife disease is a disease when one of the hosts includes a wildlife species. In many cases, wildlife hosts can act as a reservoir of diseases that spillover into domestic animals, people and other species. Wildlife diseases spread through both direct contact between two individual animals or indirectly through the environment.
Where the nematode that causes the disease originated is a mystery. A similar species that targets beech has been found in Japan, but it’s unclear if it’s native to that country.
Vectors are living organisms that pass disease between humans or from animal to human. The vector carrying the highest number of diseases is the mosquito, which is responsible for the tropical diseases dengue and malaria. [17] Many different approaches have been taken to treat and prevent these diseases.
In the vast central African nation of Congo, which has had more than 96% of the world's roughly 17,000 recorded cases of mpox this year — and some 500 deaths from the disease — many of the ...