A 9 year old girl receives an intradermal tuberculin injection and later develops an indurated, erythematous papule 12 mm in diameter. This reaction is an example of which of the following?

Medicine

A 9 year old girl receives an intradermal tuberculin injection and later develops an indurated, erythematous papule 12 mm in diameter. This reaction is an example of which of the following?

True about Postural Hypotension:

A 25 years old unidentified male from roadside was brought by police…

First time causative agent of AIDS was discovered in: