Contagious Diseases
The Continuing Quest for a Cold Vaccine
With all the focus lately on a vaccine against the coronavirus that causes Covid-19, many people have asked me why there’s still no vaccine for the common cold. After...
Do You Need a Measles Shot? (2019)
(The Wellness Letter recently updated our article on this topic to include the latest measles outbreak and new information about how to protect yourself. Read the updated article here.)
Amid...