revisiting symptoms

We found that fever and low appetite remained *strong* correlates and that chills, shortness of breath, chest tightness, sore throat, and runny/stuffed nose remained *weak* correlates of anti-SARS-CoV-2 antibody levels when accounting for these characteristics.

…greater disease severity, older age, male sex, higher BMI, higher Charlson Comorbidity Index score, fever, body aches and low appetite consistently correlate with higher antibody titers.