Rheumatoid Arthritis Support Group
Rheumatoid arthritis is a chronic, inflammatory, multisystem, autoimmune disorder. It is a disabling and painful condition which can lead to substantial loss of mobility due to pain and joint destruction. The disease is also systemic in that it often also affects many extra-articular tissues throughout the body including the skin, blood vessels, heart, lungs, and...

Flu shots are generally inactivated virus, which are safe, particularly for those who take biologics.
But, most are not like me. I would find out what your doctor thinks, and go from there.
In my case, I do NOT get the flu shot because I'm allergic to some component that exacerbates my RA and puts me in near-Guillain-Barre mode. But I'm in a very small minority. What I do is stay away from kids and restrict my access to public places. I wipe down with "Wet Ones" almost compulsively. I've not had a cold or flu or bug in over 5 years. [I take MTX and Humira.]
Still, I rely on everyone else getting their flu shots to give me a layer of protection.
Sorry but I guess I missed it......what is your objection re taking the flu shot?
Every year, my Rheumy and PCP tell me to get a Flu shot. And, I just got my Vaccine today. I've been on MTX and Biologics for seven years, and I haven't gotten the Flu.