Millions around the world still die from preventable diseases every year. Diseases like malaria and tuberculosis remain among the deadliest illnesses globally, especially in poorer regions with limited healthcare access. However, a recent study on malaria vaccine distribution in Africa highlights the life-saving power of preventative medicine when it reaches vulnerable communities. Researchers found that malaria vaccine rollouts in Ghana, Kenya, and Malawi significantly reduced child mortality. Their findings suggest wider vaccine access could save millions of lives within the next decade.

Malaria remains one of the leading causes of child deaths in sub-Saharan Africa. In 2025 alone, roughly 3 million children under age 5 died across the region. Many of these deaths resulted from preventable infectious diseases that are rare in wealthier countries. Globally, child mortality has dropped dramatically over the past three decades. Rates today are less than half of what they were during the 1990s. However, researchers warn that progress may stall or reverse because of cuts to international aid and healthcare funding.

Only two malaria vaccines are currently approved for use worldwide. The first vaccine, called Mosquirix, received approval for rollout in 2015. By 2021, the World Health Organization recommended broader use of the vaccine in regions with high malaria transmission. While the vaccine offers important protection, it is not perfect. Children living in high-risk regions often face several health threats simultaneously, including malnutrition and other infectious diseases. These factors weaken immune systems and increase the likelihood of severe illness or death.

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Sound waves can do more than carry noise through the air. They can shift emotions, sharpen focus, and even help people tolerate discomfort longer during exercise. Now, researchers have discovered another surprising possibility. Ultrasound waves may also destroy dangerous viruses like influenza A H1N1 and SARS-CoV-2, the virus that causes COVID-19.

The research came from scientists at the University of São Paulo in Brazil. Their findings suggest ultrasound could someday become a new antiviral tool. Instead of using chemicals or medications, the treatment physically tears viruses apart using microscopic vibrations.

Viruses like SARS-CoV-2 are surrounded by thin outer membranes. Researchers found that ultrasound waves create vibrations powerful enough to rupture these membranes. Once damaged, the virus spills apart like a leaking water balloon. Without its protective shell, the virus loses much of its ability to infect healthy cells.

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Early hopes around a treatment can change once stronger evidence appears. Sometimes benefits are smaller than first believed. Other times the real value is different than expected.

New research suggests Paxlovid may not lower hospitalization or death rates in certain vaccinated high-risk adults. However, it may still help people recover faster. The findings came from two randomized controlled trials, considered a strong form of medical evidence. Researchers studied people who had received COVID-19 vaccines and were still considered at higher risk for complications.

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While the COVID-19 pandemic has been declared over, the effects of COVID-19 are still felt across the United States. Fortunately, recent research reinforces the effectiveness of COVID-19 vaccines, showing that the 2025–2026 vaccine reduced emergency room and urgent care visits by 50% and hospitalizations by 55%.

While the virus continues to mutate, this research is crucial. It shows that updated vaccines can still provide meaningful protection against severe illness.

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Entering the hotter months of the year, the risk of tick-borne disease transmission increases significantly. As the climate warms, researchers warn that these threats may continue to worsen. For this reason, experts encourage anyone spending time outdoors to understand common tick-borne illnesses and how to prevent them.

Ticks can spread diseases, including Lyme disease, Rocky Mountain spotted fever, ehrlichiosis, babesiosis, anaplasmosis, and alpha-gal syndrome. Researchers are currently developing a vaccine to help prevent Lyme disease, but it is not yet available to the public. Current plans for the vaccine would require three initial doses followed by annual boosters. As a result, experts say preventive measures will remain important even if a vaccine becomes widely available.

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