It was expected this would include both commensals (not harmful) and pathogenic (disease-causing) strains. This is because of the numbers of pupils in a classroom, the close and prolonged nature of ...
This particular strain of Klebsiella pneumoniae had previously been detected in the United States. The bacterium frequently causes infections in hospitals, is not eliminated by any existing antibiotic ...
Drinking raw unpasteurized milk can be dangerous because of the presence of pathogenic bacteria and viruses. The latest reason to add to the list is the presence of Influenza H5N1, ...