Hepatitis is a term used to describe the
inflammation of the liver as a result of viral
infection or exposure to harmful or toxic
substances such as drugs or alcohol. While some
types of hepatitis will pass without causing
permanent damage to the liver, chronic cases can
cause cirrhosis, liver failure or cancer.
Around 400 million people worldwide are living
with hepatitis B or C, which together cause
approximately 80% of all liver cancer deaths and
kill nearly 1.4 million people every year. Yet with
better awareness and understanding of hepatitis
prevention, up to 4,000 lives can be saved every
day.
There are five main hepatitis viruses, referred to
as types A, B, C, D and E, which pose the
greatest risk.

HEPATITIS A
Also known as HAV, hepatitis A is most
commonly transmitted through consumption of
contaminated water or food. While the majority of
infections in cases are mild and the patient is
able to make a full recovery, some can be life
threatening in areas with poor sanitation.
According to the World Health Organization
(WHO), certain sex practices can also spread
HAV.

HEPATITIS B
The hepatitis B virus (HBV) is transmitted
through exposure to infective blood, semen and
other body fluids. In some rare cases, it can be
transmitted from infected mothers to infants
during birth.
HBV can also be spread through contaminated
blood transfusions and medical procedures, as
well as injection drug use.

HEPATITTIS C
The most common type of hepatitis, HCV is most
commonly transmitted through exposure to
infective blood though injection drug use. Sexual
transmission is also possible, although this is less
common. As of yet, there is no vaccine for HCV.

HEPATITIS D
HDV infections occur only in those who are
infected with hepatitis B. Chronic hepatitis D can
increase the risk of cirrhosis developing.

HEPATITIS E
Hepatitis E virus is mostly transmitted through
consumption of contaminated water or food. It is
most commonly transmitted in developing
countries and is spread by putting something in
the mouth that is contaminated with the faeces of
someone with hepatitis E.

http://www.ibtimes.co.uk/world-hepatitis-day-facts-statistics-differences-between-types-condition-1512838

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