CDC reported the official adverse reactions data of Pfizer vaccine 2 days after FDA gave an emergency approval. According to their data, 15.8% of the participants between 18 and 55 years old had fever over 38c. 59.4% had fatigue, 51.7% had headache, 35.1% had chills, 1.9% vomited, 10.4% had diarrhea…