How can yellow fever be controlled




















Facebook Twitter LinkedIn Syndicate. Yellow Fever Minus Related Pages. Areas with Risk of Yellow Fever. Frequently Asked Questions. Yellow fever vaccination. There is a safe and effective yellow fever vaccine…. Yellow fever maps. They can go on to infect other people.

Anybody who travels to an area where the yellow fever virus is present is at risk of becoming infected. These areas include parts of Africa, especially sub-Saharan Africa, tropical South America, and some parts of the Caribbean. Travelers should check if the area they are visiting requires a vaccination.

A yellow fever vaccine taken 10 to 14 days before traveling provides effective protection from the disease. Diagnosis will be confirmed after the doctor detects the signs and symptoms and carries out a blood test. A blood test may reveal the virus, or it may detect antibodies that the body produces when the virus enters the body.

A blood test may also reveal a drop in white blood cells, or leucopenia, another sign of infection. There is no effective antiviral medication to treat yellow fever, so treatment consists of supportive care in a hospital. This includes providing fluids, oxygen, making sure blood pressure is adequate, replacing lost blood, kidney dialysis if there is kidney failure, and treating any secondary infections.

The patient should be kept away from mosquitoes. If a mosquito bites the patient, they will become infected and then pass the disease on to other people. They should not use aspirin and non-steroidal anti-inflammatory drugs NSAIDs because of the risk of bleeding. In , a study published in the journal PLOS Neglected Tropical Diseases reported that changes in white blood cells could signal an early sign of fatal yellow fever.

This, say the scientists, could lead to better diagnosis and treatment. In the past, yellow fever devastated communities, including those in the United States U. In the middle of the 20th century, scientists developed a safe and effective vaccine that prevents yellow fever. Anyone traveling to an area where yellow fever is known to exist should find out about having the vaccine at least 10 to 14 days before departure. It is important for travelers to have the vaccination, to increase their protection and avoid spreading the disease to others.

Some immigration authorities will not allow travelers to enter a country without a valid vaccination certificate. After 30 days, 99 percent who receive the vaccination have complete protection.

Skin repellents containing DEET or picaridin provide protection from mosquitoes for a longer time than other products. Instead, cover their stroller with mosquito netting when outdoors. Most people do not develop symptoms, but those who do may experience weakness and tiredness for several months.

Among those who develop severe symptoms, the fatality rate is between 20 and 50 percent. Chickenpox is an infection caused by the varicella zoster virus. There is no cure, but a vaccine is available.

Facts Threats and outbreaks Surveillance and disease data Prevention and control. Prevention and control measures for yellow fever. Twitter Facebook Linked In Mail. Prevention measures A safe, effective and inexpensive yellow fever attenuated vaccine, known as YF 17D, has been used for more than half a century. Read factsheet.

Immunisation Prevention and control Yellow fever.



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