Bacteriophage T4 binds to __________ on the E. coli cell surface.  

  Fungi that live on human skin are called ________.  

  What factor is most responsible for both the very young and the very old being most susceptible to infectious diseases?  

  Transplacental transmission is an example of__________transmission.  

  Give an example of a situation where one of Koch’s postulates does not work.  Refer to one specific postulate and one specific infectious disease and explain how the postulate does not hold true for this particular infectious disease.  

  Some aspergillus and histoplasmosis infections are caused by  

  All of the following are transmitted via the respiratory route EXCEPT  

  Which of the following is true regarding type II secretion systems?  

  If the acid-resistance genes of EHEC strains were deleted, the expected result would be that the strains would  

  The first vaccination was created to prevent