2022-02-28-世界卫生组织-Weekly_epidemiological_update_on_COVID-19_-_1_March_2022_14页_2mb

Global Overview

• COVID-19 cases and deaths globally declined by 16% and 10% respectively during the week ending 27 February 2022 (21-27 February).
• Over 433 million confirmed cases and more than 5.9 million deaths reported cumulatively.
• At regional level, the Western Pacific Region saw increases in new cases (+32%) and deaths (+22%), while other regions reported declines: Americas (-30%), Africa (-25%), Eastern Mediterranean (-34%), and South-East Asia (-16%).

Special Focus: Variants

• Omicron is the dominant variant (99.5% of recent sequences), with Delta remaining in circulation but declining globally.
• No other variants listed as of concern, interest, or monitoring.
• Variant surveillance is ongoing due to limitations in sequencing and reporting.

WHO Regional Updates

• Region of the Americas: Decline in cases and deaths (8% decrease in deaths), but some countries like Mexico and Honduras reported increases.
• Eastern Mediterranean: Decline in cases (34% decrease) and deaths (4% increase).
• European Region: Steep decline in cases (-24%) and deaths (-13%).
• South-East Asia: 16% decrease in cases and 18% decrease in deaths.
• Western Pacific: 32% increase in cases and 22% increase in deaths, with new outbreak in countries like New Zealand and China.

Operational Summary

• Highlights include scaling up IPC capacity, training health workers on clinical management, supporting mass gatherings, and enhancing surveillance and response activities globally.