Surging cases of dengue and chikungunya are overwhelming hospitals in Bangladesh, the latest country to be struck by increasingly intense, overlapping outbreaks of the two diseases.

A common nasal spray may lower the risk of getting Covid-19, a new study shows. Dr. Leana Wen discusses what this all means as coronavirus cases rise.

The study establishes in vitro biofilm models, revealing key insights into dysbiosis in peri-implantitis and paving the way ...