Pfizer Inc. is an American multinational pharmaceutical corporation headquartered in New York City. It is one of the world's largest pharmaceutical companies. Read More
Those with systemic lupus erythematosus, or SLE, who received a "booster" dose of the SARS-CoV-2 vaccine after receiving the full dosage are about half as likely to experience a subsequent "breakthrough" COVID-19 infection, according to a recent stud ...