No evidence antibodies protect against COVID19.
https://time.com/5827450/who-coronavirus-antibodies-reinfection/
science studies:
https://www.ncbi.nlm.nih.gov/pubmed/32221519
The potential danger of suboptimal antibody responses in COVID-19
https://www.nature.com/articles/s41577-020-0321-6
Temporal profiles of viral load in posterior oropharyngeal saliva samples and serum antibody responses during infection by SARS-CoV-2
https://www.sciencedirect.com/science/article/pii/S1473309920301961
opps forgot this on last paper inhits Bcells - antibody cells.
Human Monoclonal antibody for COVID 19
No evidence antibodies protect against COVID19.
https://time.com/5827450/who-coronavirus-antibodies-reinfection/
science studies:
https://www.ncbi.nlm.nih.gov/pubmed/32221519
The potential danger of suboptimal antibody responses in COVID-19
https://www.nature.com/articles/s41577-020-0321-6
Temporal profiles of viral load in posterior oropharyngeal saliva samples and serum antibody responses during infection by SARS-CoV-2
https://www.sciencedirect.com/science/article/pii/S1473309920301961
Human monoclonal antibody to COVID19
https://www.nature.com/articles/s41423-020-0426-7
Conclusion no neutralizing antibodies in natural infection
Neutralizing Antibodies against SARS-CoV-2 and Other Human Coronaviruses
https://www.sciencedirect.com/science/article/pii/S1471490620300570