Fri, 06 Dec 2019

Washington, Nov 13, 2019 (PAHO)- Dengue in the Americas has reached the highest number of cases recorded in history, with more than 2.7 million cases, including 1,206 deaths reported at the end of October 2019, according to a new epidemiological update from the Pan American Health Organization (PAHO).

The largest previous epidemic of dengue was in 2015, but the 2019 number of 2,733,635 cases is 13 percent higher than the 2015 numbers. Severe dengue was identified in 22,127 cases. The four dengue virus serotypes are present in the Americas and co-circulation of all four was reported in Brazil, Guatemala, and Mexico in 2019.

Brazil had the highest numbers in this update, with 2,070,170 cases reported. Mexico had 213,822 cases, Nicaragua reported 157,573 cases, Colombia had 106,066 and Honduras 96,379 cases.

But the countries with the highest incidence rates, which link case numbers to population, were Belize with 1,021 cases per 100,000 population; El Salvador with 375 cases per 100,000 population; Honduras with 995.5 cases per 100,000 population, and Nicaragua, which had 2,271 cases per 100,000 population. The fifth country with highest incidence rate in the Americas is Brazil, with 711.2 cases per 100,000 population.

Given the increase in cases of dengue and severe dengue in several countries in the Americas, PAHO is recommending that countries strengthen their disease surveillance as well as their surveillance and control of mosquito vectors of dengue, involving communities in prevention and control activities. PAHO is also providing detailed advice on how to manage and treat cases of dengue, noting that "Early recognition of warning signs at different stages of the disease is critical in order to provide necessary health care and prevent progression to severe disease."

PAHO also notes, "Risk communication and information to the public is essential during outbreaks to reduce adverse impact, decrease domestic breeding sites, and for affected persons to seek timely medical assistance, and therefore prevent severe cases and deaths from dengue. Communication messages should focus on the identification of warning signs and obtaining timely medical assistance. In addition, communication campaigns should raise public awareness on the importance of vector control interventions at home, identification of febrile cases, and special measures for vector control"

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