Question

Microbe against which antibiotic are ineffective ​

Answer 1

Answer:

The most serious concern with antibiotic resistance is that some bacteria have become resistant to almost all of the easily available antibiotics. These bacteria are able to cause serious disease and this is a major public health problem. Important examples are: methicillin-resistant Staphylococcus aureus (MRSA).

Answer 2

Answer:

Bacteria resistant to antibiotics

Some bacteria have developed resistance to antibiotics that were once commonly used to treat them. For example, Staphylococcus aureus ('golden staph' or MRSA) and Neisseria gonorrhoeae (the cause of gonorrhoea) are now almost always resistant to benzyl penicillin.