Yellow fever

Outbreak at a glance During the period 12 January to 15 March 2022, a total of 53 suspected yellow fever cases, including six deaths, have been reported from Isiolo county, central Kenya. Two samples tested positive by RT-PCR and six were positive by ELISA, indicating probable yellow fever cases. The last reported yellow fever outbreak in Kenya was in 2011. WHO assesses the public health risk as high at the national and regional levels. Outbreak overview On 4 March 2022, the Ministry of Health (MoH) of Kenya declared an outbreak of yellow fever in the county of Isiolo in central Kenya (around 270 km north of the capital Nairobi). As of 15 March, a total of 53 suspected yellow fever cases have been reported from Isiolo county during the period 12 January to 15 March 2022, including six deaths (case fatality ratio: 11.3%) (Figure 1). The majority of the cases are males (47 cases; 88.7%), and the average age of cases is approximately 28 years (range: 3-78 years). Figure 1. Epidemiological curve of yellow fever cases by date of symptoms onset and outcome, Isiolo county, Kenya, 1 January - 15 March 2022 (n=53). Suspected cases presented with symptoms of fever, jaundice, and muscle and joint pain. Overall, eleven wards within Isiolo county have been affected, with the highest number of cases reported in: Chari (21 cases; 39.6%), Cherab (14 cases; 26.4%) and Garba Tulla (5 cases; 9.4%) (Figure 2). Figure 2. Number of yellow fever cases by ward, reported from 12 January to 15 Marc...

Yellow fever is a hemorrhagic condition that can lead to a high fever, bleeding into the skin, and cell death in the liver and kidneys. If enough liver cells die, liver damage occurs, leading to jaundice, a condition in which the skin takes on a yellowish color. It is an acute, systemic disease, meaning that it starts suddenly, and it affects the whole body. The Flavivirus causes yellow The virus is transmitted by mosquitos, mainly the Aedes and Haemogogus species. It is most likely to occur in tropical and subtropical parts of South America, parts of the Caribbean, and Africa. It rarely affects American travelers. The World Health Organization (WHO) estimate that in 2013, there were between An outbreak is currently underway in Brazil, and the Centers for Disease Control and Prevention (CDC) has in place a • Yellow fever is transmitted by mosquitoes. • It can cause a high fever and organ damage, and it can be fatal. • There is no specific treatment, so people will receive supportive care. • Travelers to affected areas should check if they need a vaccine before they travel. • Some countries will not allow a traveler to enter without an immunization certificate. Share on Pinterest Yellow fever is spread by mosquitos. Mosquitoes spread yellow fever. It can affect monkeys and humans. If a mosquito bites a monkey that has the fever, they can pass it to humans. This can lead to outbreaks. After having it once, a person is generally immune, meaning that they are unlikely to have ...