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A contagious disease is an infectious disease that is readily spread (that is, communicated) by transmission of a pathogen through contact (direct or indirect) with an infected person. [1] A disease is often known to be contagious before medical science discovers its causative agent. Koch's postulates, which were published at the end of the ...
Lumpy skin disease (LSD) is an infectious disease in cattle caused by a virus of the family Poxviridae, also known as Neethling virus.The disease is characterized by fever, enlarged superficial lymph nodes, and multiple nodules (measuring 2–5 centimetres (1–2 in) in diameter) on the skin and mucous membranes, including those of the respiratory and gastrointestinal tracts.
Mosquitoes are one of the most intensely studied creatures on the planet. Their role in disease transmission and nuisance biting makes them worthy of such attention. There are over 3,500 species of mosquito on Earth and they are found on every continent except Antarctica. Yet, from this great diversity, only a small handful can carry the pathogens that cause disease and it is these species ...
Nov 5, 2023 · Mosquito-borne disease surveillance: Seasonal update: Vector-borne disease surveillance in Canada. Vectors, such as mosquitoes, spread diseases between humans or from animals to humans, usually by biting. Diseases spread by vectors are called vector-borne diseases. Find out how we monitor mosquito-borne diseases in Canada. Last updated: 2023-11-20
Jun 22, 2021 · Hindi; Lifestyle; Mosquito Borne Diseases Like Dengue Malaria Chikungunya Be Alert In Monsoon Season As This Is Mosquitoes Breeding Season
Infectious diseases. Visceral leishmaniasis ( VL ), also known as kala-azar ( Hindi: kālā āzār, "black sickness") [2] or " black fever ", is the most severe form of leishmaniasis and, without proper diagnosis and treatment, is associated with high fatality. [3] Leishmaniasis is a disease caused by protozoan parasites of the genus Leishmania .
Plasmodium falciparum is a unicellular protozoan parasite of humans, and the deadliest species of Plasmodium that causes malaria in humans. [2] The parasite is transmitted through the bite of a female Anopheles mosquito and causes the disease's most dangerous form, falciparum malaria. It is responsible for around 50% of all malaria cases.
