A new Omicron-based coronavirus variant named Nimbus has emerged in Finland. Health officials confirm the variant shows no increased severity or vaccine resistance. Key precautions include hygiene, ...

In a major positive step for global respiratory health, Member States at the 78th World Health Assembly (WHA), held May 19–27 ...

In patients with COVID-19, preexisting immunity and Omicron infection were associated with reduced disease severity and upper respiratory symptom presentation.

Aim To examine symptoms indicative of respiratory tract and gastrointestinal infections and determine risk factors for such symptoms in elite cross-country skiers. Methods Self-reported training and ...