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. Since 2020, the condition known as long ...

Since 2020, the condition known as long COVID-19 has become a widespread disability affecting the health and quality of life of millions of people across the globe and costing economies billions of ...

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 ...

Ducharme is a contributor to TIME. COVID-19 can lead to lingering cognitive effects including memory loss, forcing some survivors—like one pictured in her home in Virginia on Feb. 3, 2022—to rely on ...

A COVID-19 variant is buzzing back to life after years of flying under the radar. Nicknamed “Cicada” for its long hibernation period and noisy return, the strain is now fueling a steady rise in cases ...