Diseases, Conditions, Syndromes

Researchers find powerful swine flu strain in Korea

(HealthDay)—A new report shows that a deadly swine flu virus can infect ferrets, highlighting the importance of continuous surveillance of emerging flu strains.

Diseases, Conditions, Syndromes

China says 'positive' signs as Xi'an cases ease

New COVID-19 cases in the locked-down Chinese city of Xi'an fell to their lowest in a week, health officials said Sunday, as residents face their eleventh day under strict home confinement.

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