Psychoanalysis was founded by

Match the following columns correctly.

Column $I$	Column $II$	Column $III$
$(a)$ Typhoid	$(p)$ Streptococcus	$(w)$ Human skin
$(b)$ Pneumonia	$(q)$ Rhinovirus	$(x)$ Patient's feces
$(c)$ Common cold	$(r)$ Salmonella	$(y)$ Contaminated pens
$(d)$ Filariasis	$(s)$ Filarial worm	$(z)$ Sputum

Pests resistant to insecticides have:

Which disease is likely to be transmitted by sharing needles when taking drugs intravenously?

Select the correct pairs of diseases and their respective symptoms.
$i$. Elephantiasis - swollen limbs especially legs, enlargement of lymph vessels and lymph nodes.
$ii$. Malaria - Infected skin which shows enlarged red rings, nails become thick, discoloured and disfigured.
$iii$. Dermatophytosis - Cyclic high fever followed by sweating and sudden shivering every two days or three days.
$iv$. Pneumonia - Dyspnea, cough produces yellow or greenish sputum or phlegm.
Choose the correct option.

Identify the disease for which an arthropod vector is not required.