Leaving Koch behind
For the past 40 years, certain laboratory mice in Australia and the US have been unexpectedly dying in middle age, but the cause has remained elusive. A novel member of the parvovirus family appears to be the culprit.
koch’s postulates
Koch’s postulates in the 21st century
For thousands of years, epidemics of contagious diseases were believed to be caused by the wrath of the gods, configuration of stars, or miasma. The association of specific microorganisms with disease came about as a consequence of the work of the German physician Robert Koch. He formulated a set of criteria that could be used …