2022-08-23-世界卫生组织-Weekly_epidemiological_update_on_COVID-19_-_24_August_2022_10页_799kb

COVID-19 Weekly Epidemiological Update Summary (Edition 106, 24 August 2022)

Global Overview

• New weekly COVID-19 cases decreased by 9% to 5.3 million, with new deaths down 15% to 14,000. Cumulative cases surpass 593 million and deaths exceed 6.4 million.
• Regionally, cases decline in all six WHO regions (e.g., Europe -20%, Americas -18%), but deaths increase in Africa (+183%) and Western Pacific (+8%).

Special Focus: Variants

• Omicron lineage dominates over 99% of globally reported sequences. BA.5 descendent lineages saw increased prevalence (74%) with rising variants like BA.5.1 and BA.5.2.
• Surveillance limitations noted, including testing strategy changes and data variability.

WHO Regional Overviews

• Americas: 18% drop in cases and 15% in deaths, with US and Brazil reporting high case counts.
• Africa: 25% case decrease but 183% death surge, primarily due to South Africa.
• Europe: 20% case reduction and 30% deaths, led by Germany and the Russian Federation.
• Asia/Eastern Mediterranean/Western Pacific: Mixed trends, with decreases in South-East Asia (-17%) but increases in deaths in Western Pacific (+8%).

Note: Data interpreted with caution due to reporting variability.