Myself was detected with Covid on 19april via RTPCR test ..after few days my mother, sister, hua and & sons also got symptom of Covid but there RTPCR test was not conducted as there are no testing kits available...now we all have undergone Sars cov2 antibody igg via healthians lab and our reading are Mine-1.5 Husband-0.98 Sister-. >20 Mother-6.82 In report parameter it is mentioned that if >1, it's reactive & if <1, it is non reactive Could somebody pls explain the meanings of these readings and by when we all should be vaccinated... Pls help