Dengue outbreak: Carla Vizzotti admits that there is a “considerable” increase in cases

Dengue outbreak: Carla Vizzotti admits that there is a “considerable” increase in cases

The Minister of Health of the Nation, Carla Vizzotti, spoke about the progress of dengue in Argentina, which has already registered more than 28,000 cases in 14 jurisdictions, and assured that the country is “an epidemic outbreak with a considerable increase in cases”.

Although the cases occur every year, he said, “every three or four years there is a considerable increase in cases” and that the last record was in the year 2020.

“What is observed epidemiologically is that each outbreak that happens every three or four years is greater than the last one and that is what we are seeing in Argentina, we are matching the 2020 outbreak and we still have a few weeks ahead with an increase in the number of cases,” he said.

Unstoppable dengue: Argentina has already registered more than 28,000 cases so far in 2023

According to data from the latest National Epidemiological Bulletin, up to epidemiological week 13 of this year, 28,235 cases of dengue were reported, of which 90% (25,419 cases) contracted the infection within the national territory, and so far 22 deaths have been reported.

During epidemiological week 12, in addition, there was an increase in cases of 27.7% compared to the previous week.

Regarding the outbreak in the provinces, Vizzotti said that they are working “with all the provinces to be able to attack and prevent dengue.” “We are working hard with a prevention campaign and control measures. We must prevent the proliferation of the larvae, which is where the mosquitoes are born and the vector of the disease is sustained.”

In addition to scraping to avoid containers with stagnant water in houses and vacant lots, the Minister of Health also said that “spraying is part of the comprehensive approach to the disease,” but clarified that “it is not the most important or excluding measure.” because fumigating kills the mosquito that is alive but the larvae that are responsible for the increase in the population of Aedes aegypti mosquitoes may remain alive.

At the moment, the circulation of this virus was identified in 14 jurisdictions corresponding to three regions: Center Region (Buenos Aires; Autonomous City of Buenos Aires; Córdoba; Entre Ríos; Santa Fe); NEA region (Corrientes; Formosa; Chaco) and NOA region (Catamarca; Jujuy; La Rioja; Salta; Santiago del Estero and Tucumán).

The Aedes aegypti mosquito, transmitter of dengue.

For his part, the Minister of Health of the province of Buenos Aires, Nicolás KreplakHe said that the government knew that a “dengue epidemic” would occur this year, but said that the health scenario is within the expected parameters.

Although there are many cases of dengue, it is expected that with the arrival of the cold there will be fewer mosquito populations, Kreplak said in statements to Provincial Radio and added: “Now, the main strategy belongs to each one of us and the work of the citizenry is essential.”

Likewise, he clarified that “when we find a case in the health system, we go to the neighborhood block to clean up junk and fumigate to avoid new infections” and although he said that the disease has few lethal cases, it is very annoying and painful in a short time. time.

Dengue and chikungunya fever in Argentina: cases grow and warn to avoid mosquito bites

Dengue cases in Argentina

Buenos aires city

On April 3, the government of the city of Buenos Aires confirmed a total of 3,436 cases of dengue, eight of which were severe.

Buenos Aires province

The Buenos Aires Ministry of Health said on April 3 that a total of 1,168 cases of dengue -and 314 of chikungunya- have been registered so far in 2023 throughout the territory. In a statement, it was indicated that of the total dengue cases registered in the province, 1,123 are autochthonous and 45 imported, mainly from Bolivia and Paraguay.


So far this season, 1,781 cases of dengue have been registered, 906 new cases compared to last week, as reported on April 7, four days after the first case of death from dengue was confirmed in that province. .

“In week 12 of this season, a peak of 705 cases was recorded, which exceeded the peak of the 2020 dengue epidemic. That is, in fewer weeks, the number of cases recorded for the same time we had in the worst dengue epidemic in the country,” warned Laura López, director of epidemiology for the provincial government.

Dengue 20230302

Santa Fe

Dengue cases in the province of Santa Fe increased by more than 23% in the last week, going from 5,838 the week before to 7,661 reported on April 5. Until the last report, there were 14 boarding schools in the district, of which 3 are children cared for in intensive care units.

The coordinator of Epidemiology of the Municipality of Rosario, Matías Lahitte, said that “Rosario and the central region is the most complicated area, not only because of dengue, but also because of chikungunya, which is transmitted by the same mosquito”, and explained that “the change of climate and the tropicalization of the region that we have, makes the egg hatch”.

“Every three or four years there is a dengue outbreak, but what we are experiencing is the largest in Argentina, which exceeded that of 2016 and 2020,” said the official.


More than 13,000 cases of dengue and 7 deaths have been registered in the province of Tucumán since last February, reported the local Ministry of Public Health.

“It is likely that this number will increase because there are possibilities of contagion, since there may be patients who have been bitten and the symptoms appear two or three days later,” said Minister Luis Medina Ruiz, who also added that there are “between 2,500 and 3,000 active patients”, all the others are discharged.

The fatal victims are three men aged 21, 34 and 28, and four women aged 17, 24, 25 and 28.



The provincial Ministry of Health reported on April 7 that dengue cases reach 1,459 people. The province concentrates the largest number of patients with the disease in San Pedro, Perico, Caimancito, Libertador, Fraile Pintado, Yuto and Pampa Blanca, that is, in the Yungas region.


The health authorities of the province warned that they expect a peak in dengue cases for the second half of April, after weeks of a “sustained increase.”

The director of Epidemiology of the province, Claudia Rodríguez, ruled out the possibility that, before the arrival of winter, the cases will decrease, because the mosquito activity only drops with five degrees of ambient temperature, which does not happen frequently in the province. from Formosa.

Climate change worsened the outbreak of dengue and chikungunya in Argentina and the world, according to the WHO

Dengue: symptoms and diagnosis

Dengue is a viral disease transmitted by the bite of the Aedes genus mosquito, mainly by Aedes aegypti. Its name means “one who stoops” and refers to the bent appearance that some people who suffer from it acquire because of the severe joint pain it causes.

When the mosquito feeds on the blood of a person infected with the dengue virus, it acquires it and after 8 to 12 days it is capable of transmitting it to a healthy person through its bite.

Symptoms are fever accompanied by one or more of the following symptoms: pain behind the eyes; upside down; muscle and joints; nausea and vomiting; intense tiredness; appearance of spots on the skin and itching; bleeding nose and gums.

When diagnosed with dengue, it is necessary to follow the instructions of health personnel and attend follow-up and control consultations. If at the time the fever subsides or in the days that follow, any of the symptoms worsens, reappears, or new symptoms are detected (difficulty breathing, intense abdominal pain, profuse mucosal bleeding, irritability to drowsiness, recurrent vomiting), it is pertinent make an immediate medical consultation.


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