Well there are lots of helpful, symbiotic bacteria in your saliva that help kill lots of harmful bacteria and viruses; so in a way, yes.
Some viruses target harmful organisms. For example, bacteriophage viruses kill bacteria. Other viruses might kill mosquitoes or weevils or other harmful insects without hurting any other species.
they can be made into vaccines against themselves. Additionally, virsuses that attack bacteria, called bacteriophages, may someday be used to treat bacteria infections. There has also be research into using viruses to kill harmful insects.
Bacteria can be helpful by deleting bad viruses and harmful by killing you
Bacteria and Viruses
Viruses might be helpful because they clean you out all bad germs and bacteria releases.
Bacteria can attack and kill cells. White blood cells can kill bacteria.
they can kill you
It can kill germs and bacteria IF it is hot enough but it cannot kill a virus.
bacteria is complit cell or contain cellular material hence specific antibody riquar as compair to virus is difrance
Viruses that are harmless to humans can be used to infect bacteria or other pests eg rabbits
they engulf them