Viral infections are caused by a variety of viruses that can infect humans and animals, and can cause a range of symptoms from mild to severe. Some common viral infections include the common cold, influenza, HIV/AIDS, zika virus, coronavirus, etc.
Viral infections are caused by a variety of viruses that can infect humans and animals, and can cause a range of symptoms from mild to severe. Some common viral infections include the common cold, influenza, HIV/AIDS, zika virus, coronavirus, etc.