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The article focuses on the United States Food and Drug Administration (FDA) advisory committee's unanimous vote on Pfizer's vaccine efficacy against respiratory syncytial virus (RSV) in infants. Topics include its Safety concerns arose with an increased rate of premature births; GlaxoSmithKline's trial of an RSV vaccine in pregnant individuals was halted due to similar concerns; and the FDA will consider the split vote in deciding whether to approve the vaccine in August.

Scientists are divided on whether humidity makes hot weather more deadly. Physiologists argue that humidity makes it harder for the body to maintain a safe core temperature and ward off heat stroke. However, epidemiologists believe that temperature alone accurately predicts heat-related death rates and that adding humidity does little to improve predictions. The role of humidity in shaping mortality is still uncertain, and more research is needed to clarify its impact. The findings from both physiology and epidemiology can still inform public health efforts, such as emphasizing extra water consumption and opening air-conditioned cooling centers during heat waves. [Extracted from the article]

Despite the escalating chaos and violence in Haiti, a group of dedicated health researchers are continuing their studies in the country. Gangs have been attacking the government and causing widespread instability, but these researchers are determined to provide care and conduct research. Medical research in Haiti has always faced challenges due to the country's instability, but the situation has worsened in recent months. Despite the difficulties, researchers are finding ways to continue their work, such as using a pediatric telemedicine service called MotoMeds to provide healthcare to sick children. Disease surveillance efforts and funding for research have also been affected by the violence. However, researchers remain committed to their work and are determined to honor the dedication of their Haitian colleagues. [Extracted from the article]

A new analysis published in Science Advances reveals that in the counties where school shootings occur in the United States, donations to the National Rifle Association (NRA) increase significantly. The study, which examined 131 school shootings between 2000 and 2022, found that donations to the NRA's political action committee increased by an average of $970 per year in the affected counties for four years after a shooting. The number of individual donors also grew by up to 40% in these counties. The study did not find a similar increase in donations to gun control advocacy groups. The findings suggest that the occurrence of a school shooting in a county makes the threat of gun control more real to its residents, leading to increased support for the NRA. [Extracted from the article]

Previous studies of heat and miscarriage have looked backward in time, relying on air temperature measured at the weather station nearest to a participant's home. Does heat cause miscarriages? Humidity affects the experience of heat, Wesselink says; higher humidity might trigger miscarriage at lower temperatures. [Extracted from the article]