Following Operation Warp Speed, the Trump administration's effort to develop a coronavirus vaccine as quickly as possible, two coronavirus vaccines have been approved by the Food and Drug Administration for emergency use.
The prioritization of who gets the vaccines first differs from state to state. Currently, vaccines manufactured by Pfizer and Moderna have been approved by the FDA, while others, including a vaccine manufactured by AstraZeneca, still await such approval.
The coronavirus vaccines have demonstrated high effectiveness rates. But they do not come without side effects.
The following pages highlight four things to know about the coronavirus vaccines and other treatments.
Both vaccines have similar side effects and effectiveness
The Pfizer and Moderna vaccines, which first became available last month, have much in common.
The U.S. Centers for Disease Control and Prevention has compiled information about the two vaccines, both of which require the administration of two shots. However, the time to wait between receiving the two shots differs depending on the vaccine.
The Pfizer vaccine shots take place 21 days apart, while the Moderna vaccine shots take place 28 days apart.
Additionally, both vaccines come with side effects of pain, swelling and redness in the arm in which the shot was given.