Covid was declared a national emergency on March 13, 2020. Even as the threat of severe illness and death has faded, the pandemic’s effects linger. By Julie Bosman Reporting from Chicago Jessie ...
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 ...
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