Judging by the article, the deadliness arises when the bacteria make it to the bloodstream. So, although giving head may spread the germs, they’re not going to kill anyone unless some supremely vicious throatfucking is going on. (Cf. meningococcal bacteria, which can cause fatal septicaemia & meningitis, but do no harm to the 10%-25% of people asymptomatically harbouring the bacteria in their noses & throats.)
Judging by the article, the deadliness arises when the bacteria make it to the bloodstream. So, although giving head may spread the germs, they’re not going to kill anyone unless some supremely vicious throatfucking is going on. (Cf. meningococcal bacteria, which can cause fatal septicaemia & meningitis, but do no harm to the 10%-25% of people asymptomatically harbouring the bacteria in their noses & throats.)