Significantly reduced abilities to cross-neutralize SARS-CoV-2 variants by sera from convalescent COVID-19 patients infected by Delta or early strains

CELLULAR & MOLECULAR IMMUNOLOGY

CHIN SOCIETY IMMUNOLOGY

1. National Special Research Program of China for Important Infectious Diseases [2017ZX10202102, 2018ZX10302103]
2. Special 2019-nCoV Project of the National Key Research and Development Program of China [2020YFC0841400]
3. Emergency Key Program of Guangzhou Laboratory [EKPG21-24, EKPG21-29]
4. Special 2019-nCoV Program of the Natural Science Foundation of China (NSFC) [82041002]
5. Special Research and Development Program of Guangzhou [202008070010]
6. Important Key Program of NSFC [81730060]
7. Zhongnanshan Medical Foundation of Guangdong Province [ZNSA-2021004]
8. National Natural Science Foundation of China [32100743, 82171825, 81971918]
9. Shenzhen Science and Technology Program [JSGG20200225150431472, JCYJ20200109142601702]
10. Pearl River S&T Nova Program of Guangzhou [201806010118]
11. Fundamental Research Funds for the Central Universities, Sun Yat-sen University [2021qntd43]