NURSING ANM AND GNM

Detailed explanation-1: -Key facts. Bacteria are single cells that can survive on their own, inside or outside the body. Viruses cause infections by entering and multiplying inside the host’s healthy cells. It can be difficult to know what causes an infection, because viral and bacterial infections can cause similar symptoms.

Detailed explanation-2: -Viruses and bacteria have a number of characteristics in common. Both are microscopic. Although both vary in size, they are too small to be visible to the naked eye. Both carry genetic material and both lack membrane-bound organelles.