Antibiotics are chemical substances, either produced naturally by microorganisms or manufactured synthetically, that are lethal to other microorganisms. Antibiotic resistance (AR) describes the ability of a microorganism to be unaffected by (or resistant to) the effects of a particular antibiotic.The issue of antibiotic misuse is of global concern because of the spreading and developing resistance of most common bacteria to most inexpensive generic antibiotics. Antibiotic resistance now has been universally identified as public health priority and necessary plan of action to combat resistance should be developed.
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