Yellow fever is an infectious disease, preventable by vaccination, which is transmitted to humans by infected vectors, mainly of the genus Aedes and Haemagogus. This disease is endemic in tropical regions of Latin America and Africa, and has no specific treatment.
According to the latest epidemiological bulletin issued by the Ministry of Health and Social Protection, dated April 20, 2025, the number of yellow fever deaths and infections in Colombia has increased. To date, 56 cases have been detected, of which 23 have died.
The increase in the number of infections has increased and has alerted several areas of the country where most of the cases have been detected. The figures reveal that the outbreak has had a considerable increase compared to the data for the year 2024.
Although Santander has not registered cases of contagion or mortality, it has declared a national health emergency and some recommendations that should be taken into account to mitigate the consequences of the outbreak.
How is yellow fever spread?
By the bite of an infected vector
When are symptoms felt?
Between 3 and 6 days after the bite
What are the main symptoms?
Fever, jaundice (yellow skin and eyes), bleeding, muscle pain, chills, fatigue, vomiting
Is vaccination necessary?
No. This vaccine is included in the government’s vaccination plan. Vaccination is considered the most effective measure to prevent the disease. Being immunized contributes to the possibility of protection, a public health tool.
Who should consult with their physician before getting vaccinated?
Mothers of infants under 6 months of age, cancer patients, HIV patients, transplant recipients taking immunosuppressants, pregnant or breastfeeding women.
If I have already had a dose of the vaccine, is a booster necessary?
No, a single dose provides lifelong immunity. However, people who work or stay in a wild environment should reinforce the dose.
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