The anthropogenic factors of the HIV pandemic include the following:
a)
widespread blood transfusions
b)
high concentration of population in cities
c)
polygamous sexual relations
Vibrio genus involves many species, only some serotypes of V.cholerae are pathogens of cholera. Which of the following causative agents of cholera?
V.cholerae serogroups non O1 and non O139
Comments
Post a Comment