Is yellow fever caused by flavivirus?
Yellow fever virus is an RNA virus that belongs to the genus Flavivirus. It is related to West Nile, St. Louis encephalitis, and Japanese encephalitis viruses. Yellow fever virus is transmitted to people primarily through the bite of infected Aedes or Haemagogus species mosquitoes.
Where is yellow fever vaccine mandatory?
The yellow fever vaccine is recommended for people from 9 months of age who are travelling to: an area where yellow fever is found, including parts of sub-Saharan Africa, South America, Central America and Trinidad in the Caribbean.
What is the name of the vaccine for yellow fever?
YF-VAX (Yellow Fever Vaccine) in the US is supplied only to designated Yellow Fever Vaccination Centers authorized to issue certificates of Yellow Fever Vaccination.
What is the most effective treatment for yellow fever?
No specific treatment exists for yellow fever, which is one reason that preventative measures such as vaccination are so important. Supportive treatment is aimed at controlling the symptoms, and includes rest, fluids, and use of medicines to help relieve fever and aching.
What is the meaning Flavivirus?
Definition of flavivirus : any of a family (Flaviviridae and especially genus Flavivirus) of single-stranded RNA viruses transmitted especially by ticks and mosquitoes and including the causative agents of dengue, hepatitis C, hog cholera, Saint Louis encephalitis, West Nile virus, and yellow fever.
Is Flavivirus DNA or RNA?
The Flaviviridae are a family of positive, single-stranded, enveloped RNA viruses. They are found in arthropods, (primarily ticks and mosquitoes), and can occasionally infect humans. Members of this family belong to a single genus, Flavivirus, and cause widespread morbidity and mortality throughout the world.
Can you survive yellow fever?
Complications during the toxic phase of a yellow fever infection include kidney and liver failure, jaundice, delirium, and coma. People who survive the infection recover gradually over a period of several weeks to months, usually without significant organ damage.
Is yellow fever vaccine intramuscular?
The yellow fever vaccine, live is only indicated for subcutaneous administration; do not give via intravenous administration or intramuscular administration.
Is yellow fever treatable curable?
Because there is no cure for yellow fever, prevention is critical. The yellow fever vaccine is advised for adults and children over age 9 months who are traveling to or living in countries with a known risk of yellow fever.
What is the survival rate of yellow fever?
Most patients with yellow fever are asymptomatic, but among the 15% who develop severe illness, the case fatality rate is 20%–60%. Effective live-attenuated virus vaccines are available that protect against yellow fever (1).