Question

hepatitis B caused by​

Answer 1

Answer:

Common

More than 1 million cases per year (India)

Spreads by sexual contact

Preventable by vaccine

Treatable by a medical professional

Requires a medical diagnosis

Lab tests or imaging always required

HOW IT SPREADS

By blood products (unclean needles or unscreened blood).

By having unprotected vaginal, anal or oral sex.

By mother to baby by pregnancy, labour or nursing.

Explanation:

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Answer 2

Answer:

Hepatitis B virus (HBV).......