A link to the vaccines is not certain, and investigations are underway in some reported cases.A link to the vaccines is not certain, and investigations are underway in some reported cases.Vaccination and Immunization, Coronavirus (2019-nCoV), Michael, Gregory (1964-2021), Coronavirus Risks and Safety Concerns, Immune System, Food and Drug Administration, Centers for Disease Control and Prevention, your-feed-healthcareRead More