Vaccine hesitancy and the more transmissible Delta (B1617.2) SARS-CoV-2 variant are fueling a third surge in COVID activity in Russia, with Moscow as the main hot spot.And at a World Health Organization (WHO) briefing today, its Director-General Tedros Adhanom Ghebreyesus, PhD, warned that every world region has countries that are now facing steep increases in cases and deaths.He singled out Africa, where cases jumped 52% this week, with deaths increasing by 32%. "And we expect things to only get worse," Tedros said, adding that less than 1% of Africa's population is vaccinated, compared the more than half of high- and middle-income countries that have immunized at least 20% of their populations.He commended G7 countries for their recent