Vaccines can save millions of lives whether for the flu, measles, or other diseases. Currently researchers are hard at work developing vaccines that will prevent COVID-19.
Vaccines contain tiny fragments of the disease-causing organism or the blueprints for making the tiny fragments. They also contain other ingredients to keep the vaccine safe and effective. These latter ingredients are included in most vaccines and have been used for decades in billions of doses of vaccine.
To help us understand vaccines and why they are so important to our health, the World Health Organization (WHO) has created a “Vaccines Explained” series with information about:
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