Which of the following is the most reliable online source?
A) The blog of a mother who shares anecdotal evidence of the harmful
effects of vaccinations: www.novaccinesplease.blog
B) A popular science magazine that charts developments and trends in
vaccinations over the last twenty years
C) The website of the Center for Disease Control and Prevention,
which is the federal agency that protects public health and safety:
www.cdc.gov
D) A parenting magazine website article on the controversies of
vaccinations: www.parents.com
