How does the Johnson & Johnson vaccine compare to other coronavirus vaccines? 4 questions answered Health and Fitness How does the Johnson & Johnson vaccine compare to other coronavirus vaccines? 4 questions answered Daily Trends March 28, 2021 The U.S. Food and Drug Administration has authorized the use of the Johnson & Johnson coronavirus vaccine in adults. Maureen... Read More Read more about How does the Johnson & Johnson vaccine compare to other coronavirus vaccines? 4 questions answered