Can yellow fever be transmitted from human to human?
Can yellow fever be transmitted from human to human?
Yellow fever is spread by the bite of infected Aedes aegypti mosquitoes. A mosquito becomes infected when it bites a person who has yellow fever in his or her blood. Direct spread of yellow fever from one person to another does not occur.
What type of disease is yellow fever?
Yellow fever is an acute viral haemorrhagic disease transmitted by infected mosquitoes. The “yellow” in the name refers to the jaundice that affects some patients. Symptoms of yellow fever include fever, headache, jaundice, muscle pain, nausea, vomiting and fatigue.
What kind of infectious agent is yellow fever?
INFECTIOUS AGENT Yellow fever (YF) virus is a single-stranded RNA virus that belongs to the genus Flavivirus.
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.
What age group is most affected by yellow fever?
People 60 years and older and people with weakened immune systems might be more likely to experience serious reactions to yellow fever vaccine. People sometimes faint after medical procedures, including vaccination.
What is the mortality rate of yellow fever?
Among those who develop jaundice, the fatality rate is 20 to 50%, while the overall fatality rate is about 3 to 7.5%. Severe cases may have a mortality greater than 50%. Surviving the infection provides lifelong immunity, and normally results in no permanent organ damage.
Why is there no treatment for yellow fever?
Because there is no cure for the viral infection itself, medical treatment of yellow fever focuses on easing symptoms such as fever, muscle pain, and dehydration. Because of the risk of internal bleeding, avoid aspirin and other nonsteroidal anti-inflammatory drugs if you suspect you have yellow fever.
What is the treatment for yellow fever today?
There is no medicine to treat or cure infection. To prevent getting sick from yellow fever, use insect repellent, wear long-sleeved shirts and long pants, and get vaccinated.