The CDC recommends people over a certain weight receive intramuscular vaccines, such as the flu shot or updated COVID-19 vaccine, with a 1.5-inch needle.

CVS is reportedly offering staff rewards like bonuses and pizza parties to increase vaccination rates, amid slowing demand and growing public skepticism.

Needle length may play a role in how effective your COVID vaccine is.

CVS offers bonuses and pizza parties as perks to boost vaccine sales By Ike Swetlitz Bloomberg,Updated May 21, 2025, 3:39 p.m.

The CDC recommends people over a certain weight receive intramuscular vaccines, such as the flu shot or updated COVID-19 vaccine, with a 1.5-inch needle.