bacteria

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a little white school aged girl asleep in bed, covered in a blanket with medicine on a side table nearby, perhaps because she's sick and not feeling well with a cold or fever

Consumer Health: What’s the difference between bacterial and viral infections?

Many illnesses, including pneumonia, meningitis and diarrhea, can be caused by either bacteria or viruses. In some cases, it may be difficult to determine which is causing your symptoms.…

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