During the 20th century, smallpox was responsible for 500 million deaths, yet by the end of the century the disease was eradicated. How did this amazing accomplishment happen? How was the smallpox and other vaccines developed? This book explores role innovation has played in the development of these powerful disease fighters.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.