Opinions about vaccines are easy to find, and it is often hard to know what to believe. This video uses CDC sources and documented studies to explore the truth about vaccines including: the history of vaccines; how vaccines are made; whether vaccines are safe; common ingredients found in vaccines; whether we really need vaccinations; and immunization details. Topics include: • third trimester • any time after birth • vaccines • autism • safety • ethyl-mercury • thimerosal • formaldehyde • measles • smallpox • hepatitis B • rotavirus • DTaP • diptheria • pertussis • tetanus • Haemophilus Influenza • pneumonia • bacteremia • meningitis • pneumococcal conjugate • polio virus • MMR • measles • mumps • rubella • chickenpox • varicella • hepatitis A • influenza.