As ear wax is soft and may clog the screens pores, how would a swab clean ear wax that clogs the screens pores?

According to: How to clean your AirPods and EarPods - Apple Support

• Clean the microphone and speaker meshes gently with a dry cotton swab. Remove any debris from the meshes with a clean, dry, soft-bristled brush.

I would make an investment in a hearing aid cleaning kit from your pharmacy. If you don't want to do that there is a surefire remedy that was posted here back when the AirPods first came out: put the speaker grill end in your mouth and suck.

I use a brush designed for cleaning hearing aids. They also make little suction devices for hearing aids.

ETA: deggie beat me to it. I think he may have been the person who gave me the original advice.

How to clean your AirPods and EarPods

https://support.apple.com/en-us/HT208729