3 ms·Why are they not already resistant? The bacteria are out there.by emiliobumachar 7y agoWhy are they not already resistant? The bacteria are out there.robbiep 7y agoBecause viruses mutate quickly and are highly specific to a type of bacteria or other cell/speciesanonymfus 7y agoQuick mutations are their way to resist CRISPR and other defences.