Is A Covid 19 Booster Still Effective If You Waited Too Long To Get One
Despite this, healthcare records from the United States, United Kingdom, and Israel have shown COVID vaccine immunity wanes over time. Instead of offering around 90% of protection against mild cases of the disease, it may be only 70% effective after six or seven months. Due to some of these findings, the Centers for Disease Control and Prevention (CDC) recommended COVID-19 booster shots for most people, at least two months after the primary dose of the Johnson & Johnson vaccine and five months after Pfizer or Moderna....