pojedinačan

1. individual; single; separate
   Pojedinačna karta košta sto pedeset dinara. — A single ticket costs one hundred and fifty dinars.
   Zahteve rešavamo pojedinačno, jedan po jedan. — We handle requests individually, one by one.
2. (of cases, events) isolated; occasional; sporadic
   Zabeleženi su samo pojedinačni slučajevi gripa. — Only isolated cases of flu have been recorded.

The adverb pojedinačno means "individually; one by one".