1. WHO Coronavirus (COVID-19) Dashboard | WHO Coronavirus (COVID-19) Dashboard With Vaccination Data. https://covid19.who.int/.
2. Neutralizing antibody levels are highly predictive of immune protection from symptomatic SARS-CoV-2 infection;Khoury;Nat. Med.,2021
3. Characteristics of Anti-SARS-CoV-2 Antibody Products | COVID-19 Treatment Guidelines. https://www.covid19treatmentguidelines.nih.gov/tables/mab-characteristics/.
4. Structure, Function, and Antigenicity of the SARS-CoV-2 Spike Glycoprotein;Walls;Cell,2020
5. Cryo-EM structure of the 2019-nCoV spike in the prefusion conformation;Wrapp;Science,2020