Can some one get HIV or hepatitis B infection if someone is accidently scratched by finger nail of that person

No.

HIV is only trasmitted through DIRECT transfer of bodily fluids (blood, seminal and vaginal fluids).

So you can only basically get HIV if you engage in unsafe sex, share hypodermic needles, or someone has a cut, from which blood gets directly into someone else's cut. That's about it.

In certain circumstances I suppose it could but the possibility is so remote that it doesn't even need discussing! The HIV virus dies immediately when exposed to air, that's why it has to be transmitted by body fluids. The same goes for Hep B, you have to have direct contact, not a small scratch. You are fine but if you continue to worry make an appointment with your doctor and discuss it with them.

Not a very good chance of it, especially if there was no blood on the fingernail. If there was blood on the fingernail prior to the scratch I would say yes there is a good possibility. The HIV virus is not killed immediately upon being exposed to air, it will die overtime, or with bleach, or sometype of antiviral. I think you are okay here though.

No. Not at all

If you wanna know more details on it. Take a look into the below link. Its actually good. It will answer even other questions if you have on AIDS and Hepatitis.

AIDS: http://www.sfaf.org/aids101/transmission...
Hepatitis B: http://www.dhpe.org/infect/hepb.html

If that nail has stains of fresh blood then there is a chance of getting transmitted. other wise there is a little chance of getting HIV or Heptitis infection.....

no only open cuts can transmit the disease.

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