Category Archives: 222

Coronavirus disease 2019

Posted on February 27, 2026 by Prof. Longin

  COVID-19 is a contagious disease caused by the coronavirus SARS-CoV-2. In January 2020, the disease spread worldwide, resulting in the COVID-19 pandemic. The symptoms of COVID‑19 can vary but often include fever,[7] fatigue, cough, breathing difficulties, loss of smell, … Continue reading →

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