COVID-19 Vaccines | HHS.gov
The federal government has been working since the pandemic started to develop, manufacture, and distribute safe and effective COVID-19 vaccines.
Years before the COVID-19 pandemic, scientists were already studying coronaviruses to find out how to protect against them. When the COVID-19 pandemic began, researchers were able to come up with vaccines for this new virus much faster because of work that was already happening.
The Food and Drug Administration (FDA) reviews and evaluates COVID-19 vaccines for quality, safety, and effectiveness. The FDA then issues Emergency Use Authorizations (EUAs) for certain vaccines that meet rigorous, science-based standards. The FDA determines that these vaccines are safe and effective for public use.
After the FDA authorizes the emergency use of a vaccine, an independent panel of medical and health experts called the Advisory Committee on Immunization Practices (ACIP) provides recommendations and guidance to the Director of the Centers for Disease Control and Prevention (CDC) regarding the use of the vaccine.
When the FDA approves a vaccine, it must undergo the agency's standard approval process for reviewing the quality, safety and effectiveness. The FDA's Center for Drug Evaluation and Research conducts an analysis of the benefits and risks to ensure the vaccine meets the FDA's standards for approval.
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