The Defense Department is overhauling its approach to countering biological and chemical weapons, as potential adversaries such as Russia and China rush to create threats that are easier to use and can evade traditional defenses.

Officials are launching a new plan to develop medical treatments, vaccines and personal protective equipment that can adapt to a range of evolving biological and chemical threats, said Ian Watson, DoD’s deputy assistant secretary for chemical and...

Continue Reading New worldwide threats prompt Pentagon to overhaul chem-bio weapons plans