A global virus surge. View in browser | nytimes.com Continue reading the main story July 1, 2021 By Natasha Frost Writer, Briefings Good morning. We're covering the effects of the Delta variant and the overturning of Bill Cosby's conviction. Lining up at a shop that refills oxygen canisters in Jakarta, Indonesia. Bagus Indahono/EPA, via Shutterstock A global virus surge, powered by the Delta variant A year and a half since it began, the pandemic is on the rise again in much of the world, driven largely by the highly contagious Delta variant and other new types. Scientists believe that variant, first identified in India, may be twice as transmissible as the original coronavirus. In Indonesia, as oxygen and vaccine supplies dwindle, grave diggers are working into the night. In Europe, countries are imposing quarantines and travel bans. And in countries like South Korea and Israel that seemed to have largely vanquished the virus, new clusters of disease have proliferated. Unva...