💉 Syringe Emoji

A medical syringe, as used to administer a vaccine or draw
. Generally depicted at a 45° angle with a needle to the upper right.

Commonly used for content concerning health, medicine, and related professions as well as various senses of needles, drugs, tattoos, blood, or more recently –
.

Originally used for the representation of blood donation, and displayed with blood in the barrel. In 2021 many platforms are switching to a more general-purpose empty syringe. 
and
designs previously featured green liquids.