Hepatitis B Virus (HBV)


HBV is the hepatitis B virus, a blood borne pathogen, which causes hepatitis B, the most serious form of hepatitis. Hepatitis means “inflammation of the liver”.

HBV is a serious public health problem: Not only it is a debilitating, lengthy illness but also it is the primary cause of liver cancer, the major cause of death by cancer worldwide.


Mode of Transmission

  • Infected blood and body fluids.
  • From mother to newborn child.
  • Through cuts and grazes caused by sharing of sharp instruments like razors, shavers and toothbrushes.
  • Acupuncture, tattoo, ear piercing with infected instruments.
  • Use of infected blood e.g. blood transfusion. 
  • Sexual contact either heterosexual or homosexual (hepatitis is widespread among this group).
  • Use of infected needles e.g. by drug addicts.


Signs and symptoms
  • Aching in the muscles and joints.
  • Fatigue
  • Loss of appetite
  • Nausea, sometimes vomiting
  • Fever, chills
  • Pain upper right side of abdomen
  • Later stage- jaundice (yellowness of skin and whites of eye), pale faces and dark urine.
  • The incubation period for HBV is six weeks to six months.


Prevention and Treatment of HBV
  • Avoidance of sexual activity with multiple partners and unprotected sexual activity.
  • Avoidance of I.V drug use.
  • Observance of universal precautions (correct use of barrier protection and disinfection and sterilization practices).
  • Vaccination with hepatitis B vaccine that provide immunity to HBV. Post-exposure vaccination is recommended within 24 hours of exposure.