Stomach flu or gastroenteritis is caused by a contagious virus. Learn about stomach flu symptoms and home remedies to relieve dehydration and diarrhea. Stomach flu or gastroenteritis is caused by a contagious virus. Learn about stomach flu symptoms and home remedies to relieve dehydration and diarrhea.
Antibiotic resistance is the ability of bacteria to resist the effects of an antibiotic â that is, the bacteria are not killed, and their growth is not stopped. Resistant bacteria survive exposure to the antibiotic and continue to multiply in the body, potentially causing more harm and spreading to other animals or people.
ANTIBIOTIC SUSCEPTIBILITY TESTING. Bacteria demonstrate two kinds of resistance to antibiotics, namely intrinsic resistance and acquired resistance. Intrinsic resistance means that the species was resistant to an antibiotic even before its introduction.