2022-01-31-世界卫生组织-Weekly_epidemiological_update_on_COVID-19_-_1_February_2022_15页_2mb

COVID-19 Epidemio Update Summary (Jan 24-30, 2022)

Global Overview

• Globally, COVID-19 new cases remained stable compared to the previous week, while new deaths increased by 9%. Cumulative cases surpassed 370 million, and deaths exceeded 5.6 million as of January 30, 2022.
• Regional variations: The Americas reported a 20% decrease in cases but 16% rise in deaths; Europe saw a 7% increase in cases but stable deaths; South-East Asia had an 8% case drop with 41% more deaths; other regions showed mixed trends.

Variants of Interest

• The Omicron variant continues to dominate globally, accounting for most of the 403,991 sequences analyzed, with BA.2 subvariant seeing increased prevalence in multiple countries.
• WHO monitors variants for potential changes in transmission, immunity, and public health impact, with ongoing assessments based on surveillance data.

WHO Regional Overviews

• Americas: Ongoing decline in cases (-20%) but death rise (+16%), led by US and Brazil in cases and deaths.
• European Region: Slight case increase (+7%) and stable deaths (+7%).
• South-East Asia: Significant death surge (+41%), driven by India and Bangladesh.
• African Region: Steady case decrease with 7% death reduction.

Weekly Operational Update Summary

• WHO provided support including oxygen cylinders to Suriname, vaccines through COVAX, medical supplies to Iraq, and training programs for vaccination and response measures in various regions.