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Herpes simplex virus (HSV) is one of the causes of infectious blindness in Western countries, with no preventive vaccine available as of April 2025. The absence of a vaccine for HSV underscores the urgent need for innovative approaches that target reducing viral loads at the sites of transmission.
Recently, researchers from Penn Dental Medicine, in collaboration with colleagues in Finland, have addressed this issue in a study published in Molecular Therapy.

When planning a Caribbean vacation in 2025, it's essential to utilize the latest data to ensure a holiday free from mosquito-borne diseases.

Over 20,000 children across the Federal Republic of Nigeria's Bayelsa state recently gained access to malaria vaccines, bypassing traditional distribution routes.
According to an article published by GAVI on April 22, 2025, approved malaria vaccines arrived by Zipline drone, an unmanned mini-plane carrying parachute-equipped cargo in its belly. This innovative technology can drop packages precisely over targeted facilities.

When vacationers return with symptoms similar to a cold, most associate their illness with influenza. However, when visiting most countries in the Americas in 2025, one can also be exposed to the mosquito-transmitted dengue virus.
In the United States, dengue infections are often misdiagnosed. They can cause a range of symptoms, from a mild febrile illness to severe conditions such as dengue hemorrhagic fever and shock, which can result in cardiovascular collapse.

Since the first Marburg virus disease (MVD) outbreak in 1967, a preventive vaccine has not been available. An innovative vaccine candidate is now being tested in the United States.
Announced on April 16, 2025, the Albert B. Sabin Vaccine Institute recently launched a multi-site Phase 2 clinical trial in the U.S. for its Marburg vaccine candidate, based on the cAd3 platform, administering doses to the first participants in Melbourne, Florida.
In addition to Melbourne, the vaccine will soon be tested at sites in Dallas, Texas; Huntsville, Alabama; and Peoria, Illinois.

After more than three years of negotiations, World Health Organization (WHO) Member States recently took a significant step forward, making the world safer from pandemics by drafting an agreement for consideration at the upcoming World Health Assembly in May 2025.
Announced on April 16, 2025, this WHO proposal aims to strengthen global collaboration on prevention, preparedness, and response to disease pandemic threats.

For unknown reasons, the Region of the Americas has been experiencing an Oropouche virus (OROV) outbreak of unprecedented magnitude since 2023.
As of April 2025, ORIV outbreaks have been identified in ten countries in the Americas, with visitors from those countries bringing the virus into the United States.

The ongoing outbreak of Yellow Fever in the Republic of Colombia has been progressively expanding in South America, particularly in regions such as the Amazon basin, the Magdalena River, and departments like Meta.
Furthermore, Yellow Fever (YF) outbreaks have been reported in areas where the disease had not historically occurred, including the municipality of Neira in Caldas, which is situated in the coffee-growing region.