Bacteria can develop ____ to an antibiotic. This occurs when the bacteria ____ ( it's ____ changes slightly) and the antibiotic can no longer kill the ____. The bacteria ____ and ____ passing on this beneficial mutation to the next ____. If antibiotics are over-prescribed and a course is not ____ correctly, a bacterial population is more ____ to develop resistance. Animals like ____ do NOT have resistance to antibiotics, because antibiotics have no effect on us. Humans can, however, develop ____ to pathogens. This means they have ____ cells that can ____ produce ____ quantities of antibodies to fight a ____ pathogen. If a pathogen makes people very ill before a person can develop this immunity the person is often prescribed ____ to help their body fight off the infection. It is important that GPs ____ the cause of the illness correctly and ____ an antibiotic that the bacteria is not resistant to. If the illness is caused by a ____ antibiotics should not be prescribed as they will not work. Viruses do not have cell ____ that antibiotics target and viruses invade cells so are out of an antibiotics reach.

Comparing resistance and immunity

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