Types Of Hepatitis C Virus
In the united states the most common types of viral hepatitis are hepatitis a hepatitis b and hepatitis c.
Types of hepatitis c virus. The hepatitis c virus hcv is a small 55 65 nm in size enveloped positive sense single stranded rna virus of the family flaviviridae the hepatitis c virus is the cause of hepatitis c and some cancers such as liver cancer hepatocellular carcinoma abbreviated hcc and lymphomas in humans. Genotypes of hcv are genetically distinct groups of the virus that have arisen during its evolution. Hepatitis c infection is caused by the hepatitis c virus hcv. At least six distinct hcv genotypes and more than 50 subtypes have been identified.
It is usually passed through food or water that is somehow contaminated with feces. There are many forms of the hepatitis c virus or hcv. The most common in the u s. 1 approximately 75 of americans with hcv have genotype 1 of the virus subtypes 1a or 1b and 20 25 have genotypes 2 or 3 with small numbers of patients infected with genotypes 4 5 or 6.
Although all types of viral hepatitis can cause similar symptoms they are spread in different ways have different treatments and some are more serious than others. The hepatitis c virus can also be transmitted from. Seven distinct hcv genotypes and more than 67 subtypes have been identified. Sharing equipment that has been contaminated with blood from an infected person such as needles and syringes receiving a blood transfusion or organ transplant before 1992 when widespread screening virtually eliminated hepatitis c from the blood supply.
The virus spreads through an infected person s blood or body fluids. There are several drugs that treat long term hepatitis b such as. The different hcv. Elbasvir grazoprevir zepatier glecaprevir pibrentasivir mavyret ledipasvir sofosbuvir harvoni ombitasvir paritaprevir ritonavir dasabuvir viekira pak simeprevir olysio sofosbuvir sovaldi sofosbuvir.
The 5 types of viral hepatitis explained. According to the centers from disease control and prevention cdc trusted source. Globally hcv exists in several distinct forms known as genotypes. The infection spreads when blood contaminated with the virus enters the bloodstream of an uninfected person.