Over the past few decades, mosquito-driven outbreaks of Chikungunya disease have occurred in approximately 100 countries, and many adults have been diagnosed with severe cases.
For example, in the Region of the Americas, there were 236 Chikungunya-related fatalities in 2024.
And in 2025, the Pan American Health Organization has already reported 523 Chikungunya cases in Brazil.
While Pregnant, Chikungunya Infection Can Disrupt Infant Development
Women Face Higher Risk for Long COVID
Findings independent of age, pregnancy, and menopausal status
Parental Sociodemographics Linked to Child MMR Vaccine Uptake
MMR vaccination rates appear to be higher for children of parents who receive at least one dose of COVID-19 vaccine
Stimulant Dispensing to Children Decreased After Start of Pandemic, During Shortage
During October 2022 shortage, increase seen in monthly dispensing rate of dexmethylphenidate
CIA Now Backs Lab Leak Theory for COVID-19, but Confidence Remains Low
By India Edwards HealthDay ReporterMONDAY, Jan. 27, 2025 (HealthDay News) — After years of speculation, the CIA has weighed in yet again: A lab leak is now considered the likely …
Oral Cholera Vaccine Stockpile Fills-Up
The World Health Organization (WHO) recently announced very positive news regarding producing oral cholera vaccines (OCV).
The WHO published its multi-country cholera outbreak report, External Situation Report #22, which revealed that in December 2024, the average OCV stockpile rose to 5.9 million doses, its highest level since 2013.
As of 2025, the WHO has prequalified Dukoral®, Shanchol™, and Euvichol®, Euvichol-S OCV vaccines.
Severe Zika Infection Causes 13-fold Greater Mortality Risk in Children
Last year, the Region of the Americas reported over 42,127 Zika virus (ZIKV) cases, many including children. Some of these young Zika patients died from severe infections in their mother's wombs or immediately after birth.
The findings of a new Original Investigation conducted in May 2024 should empower insights that develop protocols to prevent early mortality and improve child survival during Zika outbreaks.
4.7% of Returning Symptomatic Europeans May Have Chikungunya, Dengue, and Zika Infections
A substantive study published in the Journal of Travel Medicine and Infectious Disease shows that arboviral infections caused by mosquito bites have risen in Europe over the past decades.
This systematic review and meta-analysis (Volume 64, March–April 2025) highlights the growing threat of chikungunya, dengue, and Zika viruses to international travelers and close contacts when returning home to Europe.
This meta-analysis, published online on January 10, 2025, of returning symptomatic travelers to Europe, showed a disease prevalence of 4.7%.
Most People With Long COVID Do Not Recover in Second Year of Illness
Sociodemographic factors tied to the development and nonrecovery from long COVID
Over 8,100 People Died from Dengue in the Americas
Dengue fever disease has afflicted humanity for centuries and possibly longer. To increase awareness, the World Health Organization (WHO) has classified dengue outbreaks as a grade 3 emergency.
In 2024, this mosquito-transmitted virus set new, unfortunate records in over 100 countries worldwide, with an estimated 4 billion people at risk.