Additives to vaccines?

The following is directly from the CDC site ( http://www.cdc.gov/vaccines/vac-gen/additives.htm ).

My comments are in red .

Additional Facts

Additives used in the production of vaccines may include

suspending fluid (e.g. sterile water, saline, or fluids containing protein); preservatives and stabilizers to help the vaccine remain unchanged (e.g. albumin, phenols, and glycine); and […]