The HIV virus is not transmitted through saliva and tears, since:
>
The concentration of HIV virions in these fluids is lower than the infectious
dose
> saliva is an aggressive environment that
destroys the HIV virions with its enzymes
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