After infection of germs immunity acquired is
Active immunity
Passive immunity
Natural immunity
Both $(a)$ and $(b)$
Full forms : $CO$
Which of the following does not cause a disease in human beings
A male showing aggressiveness, mood swings, depression, reduction of size of the testicles, decreased sperm production, breast enlargement premature baldness. Possibly he is taking
AIDS is caused by HIV that principally infects