Mycobacterium paratuberculosis releases a molecule that prevents a type of white blood cell from killing E. coli, which is known to be present within Crohn's disease tissue in increased numbers.
The highly contagious Norovirus can be passed from one person to another through contact with commonly shared items such as computer keyboards and computer mice, U.S. health officials report.
On December 27, 1822, French chemist Louis Pasteur was born, who is considered one of the most important founders of medical microbiology. He is remembered for his remarkable breakthroughs in the causes and preventions of diseases.
Collection of information about biodiversity compiled collaboratively by hundreds of expert and amateur contributors. Contains pictures, text, and other information for species living or extinct and the hierarchy of life, phylogeny and evolution.