It is hydrochloric acid and while it does us no harm, it is strong enough to kill any pathogens that have been caught in mucus in the airways or consumed in food or water. Stomach acid is a ...

But the spread of human diseases to animals – known as "reverse zoonosis" – is a growing threat, often even bigger than habitat loss or poaching, said Nature. Humans have transmitted Covid-19 ...

Researchers believe the new discovery could improve treatments and clear Enterobacter infections more efficiently, leading to less deaths.