Infographic timeline looks at key moments in the history of vaccine development, from the first vaccine against smallpox to the polio field trial involving 1.8 million children to the flurry of vaccines created by ‘the scientist who saved more lives than all other scientists combined.’

Vaccine experts, including R&D leaders at Pfizer and Sanofi, describe what has been unique in developing a vaccine for the novel coronavirus, lessons learned from previous vaccines, and challenges that lie ahead.

CV Defense, the second launch in the firm’s new immune-support line (without cannabidiol), is built around palmitoylethanolamide and other nutrients and botanicals to “optimize immune response.” CV Sciences touts the immunity range as complementary to its PlusCBD brand, which is in the process of rolling out dozens of new products in updated packaging.