What Happens to Your Blood Sample During a Dengue Test?
What happens to your blood sample after a dengue test? Learn how RT-PCR detects dengue virus, why it’s most accurate during the first week of illness, and why timing is critical for diagnosis.
Viruses
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Measles Is Making a Comeback Across the Americas. Here’s What the Latest Data Tell Us.
Measles is resurging across the Americas, with nearly 23,000 confirmed cases reported in 2026. Here’s what the latest PAHO data reveal about the outbreak and why vaccination remains our strongest defense.
Inside the Lab: How Scientists Study Vaccine Hesitancy
Qualitative research helps explain why people accept, delay, or refuse vaccines. By combining findings from multiple studies, systematic reviews can guide more effective vaccination policies across Latin America.
Why Vaccine Hesitancy Persists in Latin America
A review of 56 studies reveals that vaccine hesitancy in Latin America is influenced by much more than misinformation. Trust in healthcare providers, cultural beliefs, access to vaccination services, and clear communication all shape vaccine decisions, offering valuable lessons for improving immunization coverage across the region.
Dengue in Latin America in 2026: The Latest Outbreak Updates
Dengue remains a major public health threat across Latin America in 2026. Explore the latest PAHO outbreak data, affected countries, circulating dengue serotypes, and why health officials continue to emphasize surveillance, mosquito control, and early detection to prevent future epidemics.
Dengue Symptoms in 2026: What to Watch For
Dengue fever is spreading into new regions in 2026, driven by expanding mosquito habitats and growing outbreaks worldwide. Learn the early dengue symptoms, recognize the warning signs of severe dengue, and discover which regions face the highest risk this year.
Why Hantavirus Cases Are Rising Across Latin America
Hantavirus cases are rising across Latin America due to environmental change, rodent exposure, and climate shifts. Learn the symptoms, risks, and prevention strategies.
Why Measles Cases Are Rising Across Latin America in 2026
Measles cases are rising across Latin America in 2026 as vaccination rates decline. Learn how misinformation, migration, and health system challenges are fueling outbreaks.
Andes Hantavirus Explained: What The Cruise Ship Outbreak Means
A rare Andes hantavirus outbreak aboard a cruise ship has drawn global attention after multiple deaths and confirmed human-to-human transmission. Here is what the outbreak means for public health, travel, and Latin America.
Dengue Vaccines in Latin America: What’s Approved and Where They’re Being Used
Latin America faces rising dengue cases driven by climate and vector spread. This article explores available vaccines and their uneven distribution across the region.
Why Arbovirus Hotspots Form: Lessons from Brazil
Source: John Ragai from Petaling Jaya, Malaysia via Wikimedia Commons. Highlights • Climate and rainfall patterns predict arbovirus outbreak hotspots• Warmer temperatures accelerate mosquito infection and virus transmission• Environmental data can enable earlier outbreak warnings As Brazil prepares to hold major power and oil auctions in 2026, the country is once again confronting a familiar challenge: how…
Predicting the Next Surge: Using Zika–Chikungunya Clusters to Guide Intervention
Zika and chikungunya outbreaks in Brazil move together, not separately. Space-time analysis reveals overlapping clusters driven by shared Aedes aegypti dynamics, summer heat, and regional climate conditions. When ecological risk rises, multiple arboviruses surge simultaneously — reinforcing the need for surveillance systems that anticipate co-circulating threats, not isolated outbreaks.