How are young adults affected by COVID-19?

Updated: Jun 25, 2021
  • Author: David J Cennimo, MD, FAAP, FACP, FIDSA, AAHIVS; Chief Editor: Michael Stuart Bronze, MD  more...
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Outcomes from COVID-19 disease in young adults have been described by Cunningham et al. Of 3200 adults aged 18-34 years hospitalized in the US with COVID-19, 21% were admitted to the ICU, 10% required mechanical ventilation, and 3% died. Comorbidities included obesity 33% (25% overall were morbidly obese), diabetes 18%, and hypertension 16%. Independent predictors of death or mechanical ventilation included hypertension, male gender, and morbid obesity. Young adults with multiple risk factors for poor outcomes from COVID-19 compared similarly to middle-aged adults without such risk factors.

A study from South Korea found that older children and adolescents are more likely to transmit SARS CoV-19 to family members than are younger children. The researchers reported that the highest infection rate (18.6%) was in household contacts of patients with COVID-19 aged 10-19 years and the lowest rate (5.3%) was in household contacts of those aged 0-9 years. [55] Teenagers have been shown to be the source of clusters of cases illustrating the role of older children. [56]   

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