Evidence suggests the use of vaccines goes as far back as the year 1000, but the modern-day practice of widespread inoculation can be attributed to English physician Edward Jenner, whose smallpox vaccine saved countless lives at the end of the 18th century, when roughly 10% of the British population had already been wiped out by the disease. Since then, vaccines have come a long way — the Centers for Disease Control and Prevention estimate they save the!

The post Study finds correlation between vaccination rates, disease immunity appeared first on AZ Big Media.