Organization strategy

Yellow fever, the epidemic is back – PAHO/WHO


Outbreak under control

Thanks to this vaccination campaign, Brazil managed to control the epidemic, registering only nine cases and three deaths between 2020 and 2021. Since 2020, the country has extended the yellow fever vaccination zone to all country and adopted a single-dose schedule starting at 9 months to protect younger generations for life.

PAHO provides significant support to the Brazilian government, including the provision of yellow fever vaccines, the purchase of millions of syringes through its revolving fund, and the expansion of laboratory capacity to detect cases.

It has also strengthened disease surveillance in primates and mosquitoes, which serves as an early warning tool.

Vaccination is the best option to ward off yellow fever. To that end, a WHO strategy led by PAHO in the Americas aims to vaccinate nearly one billion people by 2026.

“As long as there are unvaccinated people and the virus continues to spread outside endemic areas, the risk of transmission and epidemics persists,” said Sylvain Aldighieri, deputy director of the Health Emergencies Department of the ‘OPS. “The epidemic in Brazil will undoubtedly not be the last to affect a country in the region, but if another were to occur, PAHO will be there to help control it, reduce suffering and save lives as it does. done for 120 years.


What is yellow fever

Yellow fever is a viral disease transmitted by infected mosquitoes, which is incurable and can be fatal, but there is an effective, safe and affordable vaccine to prevent it. The most common symptoms are fever, muscle pain with lower back pain, headache, loss of appetite, nausea or vomiting.

In most cases, symptoms disappear within three to four days, but 15 to 25% of patients enter a second, more serious phase, where the risk of death is higher and people may have dark urine, abdominal pain accompanied by vomiting, bleeding and yellowing. skin and eyes, hence the name of the disease.