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
4.1
70 reviewsThe word variants sends shivers up my spine. Variants are the bête noire of cancer therapy. Cancer cells are escape artists, developing resistance almost as fast as you can select and develop new drugs. Variants were the bugaboo throughout my years at Harvard’s Dana Farber Cancer Institute, first combating cancer then HIV/AIDS. It is HIV's neverending capacity to change that frustrates our ability to develop an anti-AIDS vaccine and complicates our efforts to find combinations of drugs to pin the master of all changelings down.
In the spring of 2020, I first learned that contrary to all expectations SARS-CoV-2 was not as stable as we initially believed. My first thought was, Here we go again! I calmed down throughout the long summer months and early fall. Then the bombshell from Britain!
"We now have a new variant of the virus and it’s been both frustrating and alarming to see the speed with which the new variant is spreading," intoned the Prime Minister. "With most of the country already under extreme measures, it’s clear that we need to do more together to bring this new variant under control.”
Within weeks, the same news from South Africa, then Brazil, and most recently Southern California. Where next, I thought. As I write today February 4th, The French prime minister just announced the frequency of variants in France increased from 3.3% on January 8 to 14% today!
I decided to learn as much as I could about these variants to know what they can and cannot do. Can variants evade our vaccines? Can variants infect those who have recovered? Will Covid-19 return year after year like the flu but far deadlier? These are the questions I ask and seek to answer in this book and which I will update regularly in subsequent editions, which are available to you for free at www.williamhaseltine.com/covidvariants by entering the password: variants.
In my years of research and development, I have come to respect the wonders and complexities of each of our
…
