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1. Signs and symptoms to determine if a patient presenting in primary care or hospital outpatient settings has COVID-19

- Thomas Struyf

- Jonathan J Deeks

- Jacqueline Dinnes

- Yemisi Takwoingi

- Clare Davenport

- Mariska MG Leeflang

- René Spijker

- Lotty Hooft

- Devy Emperador

- Julie Domen

- Anouk Tans

- Stéphanie Janssens

- Dakshitha Wickramasinghe

- Viktor Lannoy

- Sebastiaan R A Horn

- Ann Van den Bruel

2. Epidemiology and clinical features of SARS-CoV-2 infection in children and adolescents in the pre-Omicron era: A global systematic review and meta-analysis

- Durga Kulkarni

- Nabihah Farhana Ismail

- Fuyu Zhu

- Xin Wang

- Graciela del Carmen Morales

- Amit Srivastava

- Kristen E Allen

- Julia Spinardi

- Ahmed Ehsanur Rahman

- Moe H Kyaw

- Harish Nair