Alerts in South America
Peru notified a confirmed case of vaccine-derived poliovirus type 1 (VDPV 1) on March 21, 2023. The case is a 16-month-old boy, belonging to an indigenous community in the Manseriche district in the Datem del Marañón province of the Loreto department, with no history of vaccination or travel history before the onset of symptoms
Expansion of outbreaks of highly pathogenic avian influenza in birds (to date they have been reported in 16 countries in the Region), confirmation of the first human infection caused by influenza A(H5N1) in Latin America and the Caribbean, and increase in cases in mammals
In the first eight epidemiological weeks of 2023, 115,539 cases and 33 deaths from chikungunya were reported, with the highest incidence rates in Paraguay (1,128 cases per 100,000 inhabitants) and Brazil (14.2 cases per 100,000 inhabitants).
A nine-year-old girl, living in a rural area in the province of Bolívar, Ecuador, was in contact with backyard poultry, which was acquired a week before the onset of her symptoms. She is currently hospitalized, in isolation, and is being treated with antivirals.
In some Colombian cities, 16 percent of fever cases are due to oropouche virus infections
In the last three weeks, 26 cases of dengue were identified and 501 cases of chikungunya. For the first time, chikungunya triples the number of accumulated cases of dengue in the country.
In recent weeks, there has been an increase in outpatient cases, hospitalizations, and deaths in 12 territories of the Americas, which, together with the increase in hospitalizations due to influenza, RSV, and other respiratory viruses, could impact on the demand for healthcare services
As of December 19, as a result of the intensified surveillance that includes the active and retrospective search for cases, 21 cases admitted to health centers in eight departments of the country due to complications due to the invasive form of the bacteria were identified.
The 2022 cumulative suspected and confirmed cases of Zika are presented, with a clear predominance of cases in Brazil, with 29,117 suspected cases and 2,656 confirmed ones.
Tocantins recorded 74 cases of visceral leishmaniasis and 3 deaths from the disease between January and October 2022. Another type of disease is tegumentary, which had 250 confirmed cases in Tocantins this year. No deaths were recorded.
The Minister of Health reported that cases of whooping cough in the department of Santa Cruz increased to 20 in the last week, warning that the disease is currently "a threat" to the country.
The number of dengue cases in Brazil rose by almost 185% between January  and the beginning of October , compared to the same period last year.
In the Region of the Americas, as of September 9, 2022, 33,162 confirmed cases of monkeypox have been reported in 31 countries and territories of the Region, showing a rapid geographic dispersion in the Region.