
With fewer than four months to go before the 2026 FIFA World Cup kicks off, the United States, Canada and Mexico —the tournament’s three host countries— are reporting significant measles resurgences, a highly contagious disease that had been pushed back across the region through routine immunization. Health authorities and international bodies are urging stronger vaccination and surveillance as public trust in vaccine guidance frays.
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Health authorities in Chile and Bolivia have activated emergency epidemiological protocols following the confirmed arrival of a new, highly transmissible variant of Influenza A (H3N2), known as the K subclade (also referred to as “supereflu”).

The Pan American Health Organization (PAHO) has issued an epidemiological alert, urging countries in the Americas to adjust their preparedness in anticipation of the upcoming winter season in the Northern Hemisphere. The alert highlights the imminent increased circulation of influenza, Respiratory Syncytial Virus (RSV), and SARS-CoV-2 (Covid-19).

Authorities in the Dominican Republic have upped all border security measures after Haiti's Ministry of Public Health and Population (MSPP), backed by the Pan American Health Organization (PAHO/WHO) and other international agencies, admitted to the spreading of a cholera outbreak, it was reported in the Caribbean island of Hispaniola on Friday.

The Pan American Health Organization noted this week that Brazil's robust vaccination campaigns have yielded benefits for neighboring countries.

According to the latest Pan American Health Organization's (PAHO) report on the issue, a 34-fold increase in the number of measles cases was detected last month against 2024 figures.

Brazilian experts joined Tuesday a working meeting in Asunción between local representatives of the Pan American Health Organization (PAHO) and Paraguay's National Program for the Control of HIV/AIDS and STIs (Pronasida), and the General Directorate of Health Surveillance to further discuss the elimination of congenital syphilis and acquired syphilis through a project called Cooperation Among Countries for Health Development (CCHD).

The Pan American Health Organization (PAHO) issued an alert Wednesday due to a rise in whooping cough (pertussis) cases in the Americas, urging stronger epidemiological surveillance and improved childhood vaccination coverage, particularly for children under 1 and 5 years old.

Paraguay’s Health Ministry and the Pan American Health Organization (PAHO) have launched a joint technical mission to strengthen the country’s response to HIV and tuberculosis, focusing on eliminating HIV, mother-to-child transmission of HIV, congenital syphilis, hepatitis B, and Chagas disease, as well as managing advanced HIV, TB, and HIV/TB co-infection.

The Pan American Health Organization (PAHO) released a report Tuesday warning about the need to bolster public health capacities to ensure universal health access, equity, and resilience against challenges like Covid-19. The Implementation of the Essential Public Health Functions in the Americas: Evaluation and Strengthening of Capacities study was based on evaluations in 14 countries between 2021 and 2023.