Recent data from the Pan American Health Organization (PAHO) reveals a concerning surge in dengue cases across the Americas, surpassing previous records. As of this week, reported cases have exceeded 5.2 million, a significant increase compared to the total number reported in 2023.
PAHO has declared an emergency situation due to the escalating dengue outbreak, with countries in the southern hemisphere experiencing the highest impact. Brazil, in particular, has seen a majority of the cases, prompting regions like Rio de Janeiro to declare public health emergencies.
Peru is also grappling with a dengue epidemic, with 20 out of 25 regions under a health alert. The government has reported over 134,000 cases, highlighting the severity of the situation.
While some South American areas have shown signs of stabilization, PAHO warns that countries in the northern hemisphere should brace for a potential increase in cases as spring approaches. Factors contributing to the rise in dengue cases include rising temperatures, extreme weather events, population growth, and inadequate sanitation services.
Despite the concerning numbers, the death toll from dengue in 2024 is currently lower than the previous year, with 1,858 reported deaths. PAHO emphasizes the importance of vaccination in reducing severe cases and fatalities, although it may not immediately halt outbreaks.
PAHO recommends a comprehensive strategy focusing on surveillance, mosquito control, and proper clinical management to combat the outbreak. Early detection and access to medical care are crucial in reducing the risk of severe dengue cases.
Dengue, a mosquito-borne virus transmitted primarily by the Aedes aegypti mosquito, causes flu-like symptoms and can be fatal in severe instances. The virus is endemic in over 100 countries, predominantly in urban and semi-urban areas, including US territories like Puerto Rico and the US Virgin Islands.