The correct option is B Hepatitis and AIDS
Cholera is mainly transmitted by fecal-oral route.
Diabetes mellitus can be transmitted from mother to fetus or to child (genetic/hereditary).
Malaria can be transmitted by mosquitoes.
Hay fever is caused by an allergy to pollen.
AIDS can be transmitted through blood transmission and hepatitis can be transmitted through the blood.
Thus, the correct answer is option (B), 'Hepatitis and AIDS'.