Pfizer Inc. is an American multinational pharmaceutical corporation. Pfizer is one of the world's largest pharmaceutical companies, and was ranked 64th on the 2020 Fortune 500 list of the largest U.S. corporations by total revenue, at $51.75 billion. Read More
Recently, controversy has arisen as several people are complaining of hair loss after receiving the COVID-19 vaccination. It has not yet been proven that the COVID-19 vaccine causes hair loss, but experts say that the possibility of side effects cann ...