human
What are the most common types of viruses?
assistant
The most common types of viruses are bacteria, fungi, parasites, and viruses. Bacteria can cause diseases such as tuberculosis and cholera. Fungi include yeasts and molds that can cause food spoilage or infections in humans and animals. Parasites can cause illnesses like malaria and sleeping sickness. Viruses are much smaller than bacteria and fungi and cannot be seen with a microscope. They are made up of genetic material surrounded by a protein coat and can only replicate themselves using the host cell's machinery.