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The illness is China's third involving H3N8 since 2022.
Though no new cases reported in the two outbreaks, groups released new details about the Marburg virus spread in each country.
The four groups recently had their first face-to-face meeting and a few months ago released a detailed action plan.
Using several public datapoints, the group looked for trends including any that might signal tradeoffs between COVID burden and economic and educational outcomes.
Analysis of E coli from human infections and packaged meat suggested 8% of the clinical isolates originated in meat.
In other developments, Pakistan reported its first WPV1 case of the year, and the DRC and Indonesia reported more vaccine-derived cases.
Survey results also revealed that women who had been sick with COVID were more likely to report heavy bleeding, missed periods, and spotting.
To mark the observance, there were useful status reports and news of a high-level group that will lead a stronger push against TB in high-burden countries.
Frequent staff testing had the biggest impact in the prevaccine months, but still made a difference through the Omicron wave.
Underlying medical conditions significantly associated with long COVID were anxiety and/or depression, asthma, chronic obstructive pulmonary disease, diabetes, suppressed immune system, and ischemic heart disease.
Improving uptake of the drug, a component of Paxlovid, could help reduce longer term outcomes, as well as severe disease, the authors said.
The rise follows a decline earlier in the pandemic, which may have contributed to delayed or missed diagnoses.
Eight more cases have been confirmed, with worries of undetected spread and infections now spanning three provinces that share borders with Cameroon and Gabon.
COVID activity is on the rise in the WHO's Eastern Mediterranean and European regions, as well the South East Asia region where infections are up sharply in India.
Separate WHO reports describe widening dengue and chikungunya activity in the Americas and the expansion of cholera outbreaks to four more countries.
From 2021 to 2022, new drug shortages rose by nearly 30%, with the average shortage lasting 1.5 years.
Since 2021, four African nations have reported their first Marburg virus outbreaks.
The outbreak is linked to an extensively drug-resistant strain and has resulted in some deaths and reports of vision loss.
The detections span locations in three counties, with cases in two identified through postmortem testing.
Three of five US makers report shortages, which result from increased demand and manufacturing delays.