JMIR Public Health and Surveillance · 2021 · 19 citations · 24 references
Older adult patients with comorbidities, such as hypertension, diabetes, asthma, chronic obstructive pulmonary disorder, and chronic kidney disease, are at increased risk of developing severe COVID-19 infections, with an increased likelihood of adverse clinical outcomes.
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Clinical features of patients infected with 2019 novel coronavirus in Wuhan, China
Chaolin Huang, Yeming Wang, Xingwang Li et al. · The Lancet · 2020 · 51.3K citations · Full text
A pneumonia outbreak associated with a new coronavirus of probable bat origin
Peng Zhou, Xing‐Lou Yang, Xian-Guang Wang et al. · Nature · 2020 · 23.1K citations · Full text