According to the FDA, the Moderna vaccine was 94.1% effective at preventing symptomatic cases. The Pfizer vaccine has claimed 95% effectiveness. Both vaccines require two doses, however. For those receiving the Pfizer vaccine, the second dose is administered 21 days after the first. Moderna's second dose is administered 28 days after the first.
What is the difference between Moderna & Pfizer vaccines? See story here. https://abc7chicago.com/health/whats-the-difference-between-moderna-and-pfizer-vaccines/8815593/