Human herpesvirus-8 (HHV-8), also known as Kaposi sarcoma-associated herpesvirus (KSHV), is a virus that belongs to the herpesvirus family. Like other herpesviruses, HHV-8 can remain dormant in the body for a prolonged period after the initial infection. Most healthy individuals infected with HHV-8 never develop symptoms or health problems. However, in some people—especially those with …
Read More »
Cytomegalovirus (CMV) is a common virus belonging to the family Herpesviridae. It is ubiquitous and infects people of all ages. CMV is spread through body fluids such as blood, saliva, urine, and breast milk. What are the symptoms of cytomegalovirus infection? Most healthy individuals who become infected with CMV have no symptoms, and the virus …
Read More »
COVID-19 is a respiratory disease caused by a virus called severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). This virus is part of a large family of viruses known as coronaviruses. The coronavirus family includes many different types of viruses, some that cause disease in humans and some that cause disease in animals. SARS-CoV-2 is closely …
Read More »
A virus is an incredibly small biological agent capable of infecting animals, plants, bacteria, and fungi. The typical virus is approximately 1/10 the size of a single bacteria and 1/100 to 1/1000 the size of a human cell. What are the parts of a typical virus? Although there are many different types of viruses (see …
Read More »
Viral cytopathic effects are changes that take place in a cell after it has been infected by a virus. These changes can only be seen after the tissue is examined under a microscope. These changes can involve the shape and size of the cell. They can also involve a part of the cell called the …
Read More »
