Aedes aegypti (FILE)
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WASHINGTON – The Americas reported more than 3 million cases of dengue in 2019, the largest number recorded in the Region so far, according to the latest epidemiological update from the Pan American Health Organisation (PAHO).
These figures exceeded the 2.4 million cases reported in 2015 during the previous largest dengue epidemic in the history of the Region. That year, almost 1 400 people died of dengue.
“Despite the increase in the number of cases in 2019, thanks to intense efforts from the countries, the case fatality rate – or the percentage of cases of dengue that progress to death – has been kept below the expected 1 per cent (0.05 per cent in 2019),” said Marcos Espinal, Director of the Department of Communicable Diseases and Environmental Determinants of Health.
In 2019, more than 1 500 died of dengue.
Given its large population, Brazil had 2 241 974 cases in 2019, 70 per cent of the total reported in the Region, and more than half of all deaths from the disease.
Mexico reported 268 458 cases; Nicaragua, 186 173 cases; Colombia, 127 553 cases, and Honduras, 112 708 cases.
Although the Region is emerging from an epidemic year, it is expected that 2020 will also experience a high level of cases. So far this year, more than 125 000 cases of dengue have been reported, including 27 deaths (a case fatality rate of 0.021 per cent).
According to the PAHO epidemiological update, Bolivia, Honduras, Mexico and Paraguay have reported more cases of dengue in the first four weeks of 2020 than during the same period of 2019.
PAHO urges families, communities and authorities at all levels to continue implementing measures to eliminate mosquito breeding sites, which is key to reducing transmission of the disease.
“The priority for the health sector is to avoid deaths,” said Jose Luis San Martin, Regional Advisor for Dengue at PAHO.
He recommends that people living in areas where the disease is circulating do not self-medicate and that they consult a health professional when dengue is suspected. The most common symptoms of the disease include sudden onset of high fever, headache and pain behind the eyes, body pains and generally feeling unwell.
The Organisation also calls on its Member States to strengthen disease surveillance, review emergency plans, and ensure adequate training for health professionals to ensure timely diagnosis and to properly manage and treat patients with dengue in order to avoid deaths from the disease.
In 2019, PAHO provided training to medical and paramedical personnel from 39 countries in the Region based on its clinical guidelines for dengue. (PR/SAT)