2023-05-17-世界卫生组织-Weekly_epidemiological_update_on_COVID-19_-_18_May_2023_14页_1017kb

Global Overview

• COVID-19 case and death reports for 13 May 2023 show a decrease compared to the previous 28 days: nearly 2.6 million new cases and over 17,000 deaths.
• Data may be incomplete due to reduced global testing and reporting delays.
• Incomplete cumulative data: over 766 million confirmed cases and over 6.9 million deaths globally.

SARS-CoV-2 Variants

• Monitor two variants of interest (XBB.1.5, XBB.1.16) and seven variants under monitoring, including BA.2.75 and XBB lineages.
• XBB.1.5 saw a decrease in sequencing data (43.76% in week 17 vs. 51.9% in week 13).
• No evidence of increased severity for XBB lineages.

WHO Regional Overviews

• Regional trends mixed: decreases in cases and deaths in most regions, but increases in South-East Asia and Western Pacific for cases, and South-East Asia for deaths.
• Americas: 34% decrease in cases, 17% decrease in deaths.
• Africa: 2% increase in cases, 5% decrease in deaths.
• Eastern Mediterranean: 42% decrease in cases, 42% decrease in deaths.
• Europe: 41% decrease in cases, 43% decrease in deaths.
• South-East Asia: 52% increase in cases, 153% increase in deaths.
• Western Pacific: 47% increase in cases, 14% decrease in deaths.

Hospitalizations and ICU Admissions

• New hospitalizations decreased by 25%, while ICU admissions slightly increased by 1% over the previous 28 days.
• Asia and Europe showed higher reporting rates, but many countries still lack consistent data.

Key Notes

• Data are subject to delays and incomplete coverage due to varying national reporting and testing strategies.
• WHO emphasizes ongoing surveillance and variant monitoring.