Here's a free book from Dr Mercola and a couple of other Doctors which can also be downloaded from here:
www.stopcovidcold.com
![www.stopcovidcold.com](/forum/proxy.php?image=https%3A%2F%2Fmedia.mercola.com%2Fassets%2Fimages%2Fmercola%2Fcovidrac%2Fcovid-research.jpg&hash=d071e335d98fbea4b9659843270b9f22&return_error=1)
Stealth Strategies to Stop COVID Cold
Learn about the strategies to stop COVID cold and read the report on the compelling evidence about the link between vitamin D levels and COVID-19.