According to a letter from Biden’s doctor, the president has a runny nose, mild fatigue and a slight cough. The letter also noted that Biden began taking an antiviral drug the morning he tested positive.
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Articles on COVID-19 risk factors
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The emergence of variants of concern with increased potential for transmission and more severe disease in the younger population could make Africa more susceptible to a severe COVID-19 epidemic.
Risk due to increasing BMI is particularly notable in people younger than 40 years and black people.
Top contributors
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Dornsife Endowed Professor of Global Health, Drexel University
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Senior Researcher, Diet and Obesity, University of Oxford
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Professor & Chair of Epidemiology, Western University
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University Research Lecturer, Nutrition, University of Oxford
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Postdoctoral research fellow, University of Oxford
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Chair of Infectious Diseases, Schulich School of Medicine & Dentistry, Western University
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Health Analyst
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Assistant Professor of Infectious Diseases, University of Virginia
