In the USA there is a fear of this in recent months due to cases of pollution that have appeared in some municipalities with an extraordinary virulence. All known antibiotics have been used to fight the new epidemic, but this “ignores” and remains the same.
Researchers use the supermicrobe hypothesis to explain the situation. According to this, a virus that has had to mutate its genetic code several times in order to cope with antibiotics would generate an outbreak uncontrollable by current drugs, which is responsible for cases of contamination.