The researchers say their experiments also suggest these highly - susceptible lab - grown cells could be used to screen for drugs that protect the cells or ease existing infections. (sciencedaily.com)
Sure, they are selling their service but canine tooth cleaning is what they do and the site states in part «Improper or Incomplete Dental Treatment can lead to... new infections or the spread of existing infections or accelerated tooth decay or gum disease development.» (thedogplace.org)
Prophylactic vaccines can prevent some HPV infections, but they are not effective against existing infections. (sciencedaily.com)