COVID-19 cases are beginning to climb across the U.S. Common symptoms of the virus have shifted slightly. Everyone ...

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California is among 48 states seeing growing COVID-19 infections as a seasonal late-summer uptick boosts viral activity ...

Changes in the vaccine advisory process in the United States have disrupted immunization guidance, which reinforces the need for independent evidence review to inform decisions regarding immunization ...

Yearly Covid-19 Booster Recommendations in Canada, Europe, and Australia. Although the rapid development of multiple Covid-19 vaccines in 2020 represents a major scientific, medical, and regulatory ...

The U.S. CDC (Centers for Disease Control and Prevention) Global COVID Vaccine Safety Project has generated background incidence rates on a range of conditions designated as AESI (Adverse Events of ...

Ziyad Al-Aly is chief of research and development at VA St. Louis Health Care System and a clinical epidemiologist at Washington University in St. Louis. From the very early days of the pandemic, ...

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Several factors influence how well healthcare workers follow IPC guidelines. They reported that: it was easier to follow guidelines when they had support from their managers and when guidelines were ...

Since May, highly contagious "FLiRT" coronavirus variants – a term for new mutations of Omicron – have been driving a rise in infections and emergency room trips. Virus levels at local wastewater ...