http://www.naturalnews.com/036206_expired_vaccines_health_risk.html
The report states: "VFC vaccines stored by 76 percent of the 45 selected providers were exposed to inappropriate temperatures for at least 5 cumulative hours during that period. Exposure to inappropriate temperatures can reduce vaccine potency and efficacy, increasing the risk that children are not provided with maximum protection against preventable diseases." http://oig.hhs.gov/oei/reports/oei-04-10-00430.pdf
The report states: "VFC vaccines stored by 76 percent of the 45 selected providers were exposed to inappropriate temperatures for at least 5 cumulative hours during that period. Exposure to inappropriate temperatures can reduce vaccine potency and efficacy, increasing the risk that children are not provided with maximum protection against preventable diseases." http://oig.hhs.gov/oei/reports/oei-04-10-00430.pdf