The virus can also be transmitted

Every day we are exposed to different types of diseases. We can be exposed to viruses, bacteria, fungi, parasites and other kinds of organisms. A disease is caused when the microorganisms change into a form that can survive and grow in us. There are many diseases that can attack our bodies. These can cause sicknesses, injuries and other conditions that can be fatal. Infectious agents cause a wide range of diseases. Some can be spread from one person to another.

This is called a contagious disease. Others are not transmittable from one person to another. This means that they cannot be caught from one person to another. This category includes HIV, polio, influenza and the common cold. There are many ways that HIV virus can infect us. They can enter our bodies through open sores, cuts and insect bites.

The virus can also be transmitted by the sexual activity or the sharing of sharp objects such as needles or syringes. Viruses can also be spread by blood transfusions, organ transplants and breastfeeding. Some of the symptoms of an infection include nausea, fever, swollen lymph nodes, muscle aches, skin rashes and headaches. The main way to prevent many infections is to stay healthy. Most of the illnesses can be prevented by taking good care of yourself.

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