Mary,

If the vaccines you're administering are exposed to the air you're breathing, they are likely off-gassing mercury into the air.

Watch the smoking-tooth video:
IAOMT Smoking Tooth Video

Thimerosal is pre-methylated so it passes right through cell walls and is much more toxic in this respect than amalgams.

I would highly recommend watching this video and sharing it with other medical professionals, including doctors. It is excellent and will open some eyes as to what is going on:

Mercury Toxicity and It's Relationship To Neurological Disorders, by Dr. Boyd Haley