In a risk assessment today, the European Centre for Disease Prevention and Control (ECDC) estimated that the Delta (B1617.2) variant will make up 90% of SARS-CoV-2 viruses in Europe by the end of August.Also, the World Health Organization (WHO) said yesterday in its weekly snapshot of the pandemic that 6 more countries have detected the Delta variant, raising the total to 85, as a number of nations battle steady rises in COVID-19 cases.ECDC: Speed up vaccinationIn a video press release today, ECDC Director Andrea Ammon said there are many people who haven't received both vaccine doses, which have shown high protection against the Delta variant. "It is very important to progress with the vaccine rollout at a very high pace," she said, adding