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Table 1 Changes in neutralizing antibodies against SARS-CoV-2

From: Successful treatment with steroid pulse therapy for a COVID-19 case with progressive respiratory failure during treatment for pleural metastasis of breast cancer

Date collected C-pass* IgG (N antibody)** Decision IgGII (S antibody)*** Decision
Day 0 32.8% 0.07 Index 2.5 AU/ml
Day 1 31.9% 0.11 Index 0.8 AU/ml
Day 150 96.7% 6.78 Index + 8072.3 AU/ml +
  1. * < 30% negative, ≥ 30% positive; ** < 1.0 negative, ≥ 1.0 positive; *** < 50AU/ml negative, ≥ 50AU ml positive