The present disclosure provides a fluid collection device, including: a body having an axial bore with a fluid inlet at one end of the bore, the fluid inlet configured to connect directly or indirectly to a needle adapted to penetrate a subject to sample fluid； and two or more integrally formed fittings projecting from the body, the fittings each having an outlet in fluid communication with the inlet； each fitting configured to directly releasably couple to a collection tube such that fluid collected by the needle flows through the inlet, through the body and into each of the fittings to simultaneously or successively fill the coupled collection tubes with fluid.
