Respiratory viruses rise with Influenza B as second most common

During epidemiological week 24 respiratory consultations reached 37.7% and hospitalizations grew 6.9%. The Health Ministry reported these figures on June 25 in the Weekly Winter Campaign Report 2026.

Sample positivity reached 53.3% between June 14 and 20. Influenza A remains predominant with 28.7% of positive tests and mainly affects children aged 5 to 14, followed by Influenza B with 23.2% of cases.

Valentina Pino, Winter Campaign coordinator, noted that the under-4 age group recorded a 23% increase in pediatric hospitalizations compared to the previous week. Jorge Vilches, Epidemiology chief at MINSAL, explained that WhatsApp messaging is being implemented in Arica y Parinacota, Coquimbo and Los Ríos for those over 60.

Influenza vaccination coverage reached 75.6% with 7,859,348 doses administered. The groups with lowest progress are children 6 months to 5 years (60.7%), pregnant women (66.3%) and people 60 and older (60.5%). Immunization against RSV reached 96.8%.

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Rural Brazilian countryside scene with a farmer and health worker highlighting the hantavirus threat.
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Hantavirus kills nearly half of those infected in Brazil

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Brazil recorded seven cases of hantavirus infection in 2026 through April, with one death. The disease, endemic in rural areas, maintains a fatality rate of around 40%.

The Ministry of Health reported that positivity of respiratory samples reached 52% during epidemiological week 23, the highest figure of the year. Influenza A remains the predominant virus, though with a slight decline.

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Most Brazilian states report severe acute respiratory syndrome (SRAG) at alert, risk, or high-risk levels, according to Fiocruz's InfoGripe bulletin released on April 29. Cases are driven mainly by influenza A and respiratory syncytial virus (RSV), which circulate more in autumn and winter. Exceptions are Rio de Janeiro, São Paulo, and Rio Grande do Sul.

Starting Wednesday, June 24, Belo Horizonte begins offering the 20-valent pneumococcal conjugate vaccine to children up to age 5 at city health centers.

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The department of Huila recorded mortality rates in 2024 that were between 16% and 29% above the national average, according to a report by the Colombian Association of Integral Medicine Companies.

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