Studies show that a fourth mRNA vaccine dose offers the elderly and other high-risk groups strong protection against hospitalization and death from COVID-19, but experts say benefits for other populations may be more limited.
NIH researcher Andaleeb Sajid discusses her study’s finding that ticks were unable to feed on vaccinated guinea pigs, preventing transmission of the pathogen that causes Lyme disease.
Mariella Bodemeier Loayza Careaga, PhD | Dec 4, 2023 | 6 min read
Haydeh Payami helped uncover the genetic basis of Parkinson’s disease. Now, she hopes to find new ways to treat the disease by studying the gut microbiome.
The vaccine’s effectiveness in children ages 5 to 11 rapidly declined over the course of a month, according to new research that looked at the health outcomes of hundreds of thousands of children in New York during the Omicron surge.