Most ebook files are in PDF format, so you can easily read them using various software such as Foxit Reader or directly on the Google Chrome browser.
Some ebook files are released by publishers in other formats such as .awz, .mobi, .epub, .fb2, etc. You may need to install specific software to read these formats on mobile/PC, such as Calibre.
Please read the tutorial at this link: https://ebookbell.com/faq
We offer FREE conversion to the popular formats you request; however, this may take some time. Therefore, right after payment, please email us, and we will try to provide the service as quickly as possible.
For some exceptional file formats or broken links (if any), please refrain from opening any disputes. Instead, email us first, and we will try to assist within a maximum of 6 hours.
EbookBell Team
0.0
0 reviewsContemporary vaccination is rooted in centuries of scientific discovery. Some scholars believe that as far back as 1000 CE, Chinese Taoists used variolation (or inoculation) to control the spread of disease. In 1796, Edward Jenner developed a smallpox vaccine that ranks as one of the most important scientific breakthroughs of all time. This book explains how Jenner made his discovery based on the achievements of those who came before him, how vaccination works, and the many ways that vaccines continue to shape science (and generate controversy) today.
