1. RKI. Coronavirus SARS-CoV-2 - Hinweise zur Testung von Patientinnen und Patienten auf SARS-CoV-2, (n.d.). https://www.rki.de/DE/Content/InfAZ/N/Neuartiges_Coronavirus/Vorl_Testung_nCoV.html;jsessionid=3C0BAB0295736A1BE9A8524E9F42A5A6.internet071?nn=13490888#doc13490982bodyText1 (accessed December 6, 2022).
2. Interim Guidelines for Clinical Specimens for COVID-19 | CDC, (n.d.). https://www.cdc.gov/coronavirus/2019-ncov/lab/guidelines-clinical-specimens.html (accessed December 6, 2022).
3. Laboratory testing for 2019 novel coronavirus (2019-nCoV) in suspected human cases, (n.d.). https://www.who.int/publications/i/item/10665-331501 (accessed December 6, 2022).
4. NextStrain: real-time tracking of pathogen evolution;Hadfield;Bioinformatics,2018
5. Saliva swabs are the preferred sample for Omicron detection;Marais;MedRxiv,2021