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pythonlover
The hepatitis B virus is known as a blood-borne virus because it is transmitted from one person to another via blood or fluids contaminated with blood. Another important route of transmission is from an infected mother to a newborn child, which occurs during or shortly after birth.
Read more > http://www.emedicinehealth.com/hepatitis_b/page2_em.htm#hepatitis_b_transmission_and_causes
| 10 years ago. Rating: 2 | |
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