A viral marker test is vital to identify viruses that cause a range of viral infections, such as viral fever, Hepatitis B, Hepatitis C, HIV, and other viral illnesses. A viral marker test is generally a blood test, wherein the samples are tested for viral contagions to confirm the presence of viral infections. Viral fever is one of the most common forms of viral infections. Unlike the common flu, viral fever is caused by pre-existing viral conditions. Dengue and chikungunya are two of the most common viral fevers.

Hepatitis C is yet another critical viral infection that occurs due to the inflammation and viral infection of the liver. Based on the severity of the disease and the symptoms, it’s either classified as acute or chronic. Some of the symptoms of Hepatitis C include jaundice, nausea, dark-colored urine, appetite loss, pain in the joints, fever, and stomach pain.