by Susan STUMME with Agence France Presse bureaus WASHINGTON, United States (AFP) — Governments around the world on Thursday raced to head off a surge in coronavirus cases driven by the Delta variant, with US President Joe Biden offering new incentives to vaccine holdouts and Israel authorizing booster shots. The World Health Organization warned the highly transmissible strain of the virus, first detected in India, could unleash a “fourth wave” of cases in its […]