http://www.cdc.gov/vaccines/pubs/pinkbook/dip.html#toxoid CDC risk of death risk of death 97% effective CDC First, it appears like a cold Diphtheria risk of death http://www.cdc.gov/vaccines/pubs/pinkbook/dip.html http://www.cdc.gov/vaccines/pubs/pinkbook/dip.html diphtheria Corynebacterium diphtheriae, diphtheria toxin CDC http://www.cdc.gov/vaccines/pubs/pinkbook/dip.html Diphtheria