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Situation at a glance
Since mid-February 2025, according to data available from sentinel sites, global SARS-CoV-2 activity has been increasing, with the test positivity rate reaching 11%, levels that have not been observed since July 2024. This rise is primarily observed in countries in the Eastern Mediterranean, South-East Asia, and Western Pacific regions. Since early 2025, global SARS-CoV-2 variant trends have slightly shifted. Circulation of LP.8.1 has been declining, and reporting of NB.1.8.1, a Variant Under Monitoring (VUM), is increasing, reaching 10.7% of global sequences reported as of mid-May. Recent increases in SARS-CoV-2 activity are broadly consistent with levels observed during the same period last year, however, there still lacks a clear seasonality in SARS-CoV-2 circulation, and surveillance is limited. Continued monitoring is essential. WHO advises all Member States to continue applying a risk-based, integrated approach to managing COVID-19 as outlined in the Director-General’s Standing Recommendations [1]. As part of comprehensive COVID-19 control programmes, vaccination remains a key intervention for preventing severe disease and death from COVID-19, particularly among at risk groups.
Description of the situation
There has been an increase in SARS-CoV-2 activity globally, based on SARS-CoV-2 data reported to the Global Influenza Surveillance and Response System (GISRS) from sentinel surveillance sites. As of 11 May 2025, the test positivity rate is 11% across 73 reporting countries, areas and territories. This level matches the peak observed in July 2024 (12% from 99 countries) and marks a rise from 2% reported by 110 countries back in mid-February 2025 (Figure 1). The increase in test positivity rate is mainly being driven by countries in the Eastern Mediterranean Region, the South-East Asia Region, and the Western Pacific Region.
Countries in the African Region, European Region, and the Region of the Americas are currently reporting low levels of SARS-CoV-2 activity with percent positivity from sentinel or systematic virological surveillance sites ranging from 2% to 3%. However, some areas—particularly in the Caribbean and Andean subregions in the Region of the Americas showed increasing trends of SARS-CoV-2 test positivity as of 11 May. Publicly available wastewater monitoring data from countries in the European Region and the Northern America subregion remain low and, at present, do not indicate any upward trend in SARS-CoV-2 activity as of 11 May 2025.
The reporting of COVID-19 associated hospitalizations, Intensive Care Unit (ICU) admissions, and deaths is very limited from the countries in the Eastern Mediterranean Region, the South-East Asia Region, and the Western Pacific Region and does not allow for evaluation of the impact on health systems by WHO.