«Our greatest challenge impacting human health and our eco-systems stems from the ongoing emergence of new viral strains and mutants as a consequence of globalisation, migration and travel. (sci-com.eu)
Micellar casein protein also strengthens the immune system, an important function in an age where there are so many new viral strains. (muscle-elements.com)
Today all new viral strains used to make vaccines must be generated by specific artificial genetic modifications rather than by «breeding,» so as to prevent possible reversion back to a virulent form. (faith.org.uk)