Viral infections represent a diverse and ubiquitous category of illnesses that affect virtually every organism on Earth, from humans to plants to animals. These infections are caused by viruses, microscopic agents that require host cells to replicate and spread. Unlike bacteria, viruses lack the cellular machinery to reproduce independently and instead hijack the cellular processes […]
Tag: Viral Infections
What Is Shingles?
Shingles, also known as herpes zoster, is a painful viral infection characterized by a blistering rash. It is caused by the reactivation of the varicella-zoster virus (VZV), which initially causes chickenpox. After a person recovers from chickenpox, the virus remains dormant in nerve tissues. However, later in life, usually due to a weakened immune system […]