Answer: superbugs

AnswerCrossword Clue
superbugsSUPERBUG, a bacterium resistant to antibiotics
superbugsAn insect that is difficult to control or eradicate, esp. because it has become immune to insecticides
superbugsA bacterium that is useful in biotechnology, typically one that has been genetically engineered to enhance its usefulness for a particular purpose
superbugsA strain of bacteria that has become resistant to antibiotic drugs