Which of the following is correct regarding HIV, hepatitis B, gonorrhoea, trichomoniasis?

(a) Trichomoniasis is a STD whereas others or not.

(b) Gonorrhoea is a viral disease whereas others are bacterial

(c) HIV is a pathogen whereas others are diseases.

(d) Hepatitis B is eradicated completely whereas others are not.

Please attempt this question first.

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