What tissue does yellow fever affect?
What tissue does yellow fever affect?
What tissue does yellow fever affect?
Yellow Fever is a viral infection that causes damage to the liver, kidney, heart and gastrointestinal tract.
Who does the yellow fever affect?
all persons aged 9 months or older who are living in or traveling to areas of South America, Africa, or other countries where the yellow fever virus is found. people who are traveling to countries requiring proof of yellow fever immunization.
Where has yellow fever affected?
The yellow fever virus is found in tropical and subtropical areas of Africa and South America. The virus is spread to people by the bite of an infected mosquito.
What bacteria causes yellow fever?
Name and nature of infecting organism Yellow fever (YF) is an African mosquito-borne infection of primates. It is caused by a virus of the Flavivirus genus of the Flaviviridae family. In its natural habitat, it is transmitted between monkeys by forest-dwelling primatophilic Aedes mosquitoes.
What is the shape of the yellow fever virus?
Yellow fever virus is an enveloped virus in the form of an icosahedral capsid (spherical shape), belonging to the Flaviviridae family.
What is the structure of the yellow fever virus?
Viral Structure Yellow fever virus is a positive-sense, single-stranded, ribonucleic acid (RNA) ΜΆ enveloped flavivirus with a diameter of about 50-60 nm. The virus is transmitted via the saliva of an infected mosquito.
How does yellow fever infect the body?
When a mosquito bites a human or a monkey infected with yellow fever, the virus enters the mosquito’s bloodstream and circulates before settling in the salivary glands. When the infected mosquito bites another monkey or human, the virus then enters the host’s bloodstream, where it may cause illness.
Yellow Fever is a viral infection that causes damage to the liver, kidney, heart and gastrointestinal tract. Major symptoms may include sudden onset of fever, yellowing of the skin (jaundice) and hemorrhage. It occurs predominately in South America, the Caribbean Islands and Africa.
Who does yellow fever mainly affect?
Yellow fever can affect people of any age especially people travelling to areas where mosquitoes infected with yellow fever virus are found.
What is the host cell in yellow fever?
Yellow fever virus enters through the bite of a mosquito where it can remain dormant for 6 to 8 days causing massive viremia or quick infection of host cells, including dendritic cells of the lymph nodes and begins the acute stages of disease [2].