“False positive results for IgM and IgG antibodies may occur due to cross reactivity from pre-existing antibodies or other possible causes.”
“Positive results may be due to past or present infection with non-SARS-CoV-2 coronavirus strains, such as coronavirus HKU1, NL63, OC43, or 229E (Common human coronaviruses HKU1, NL63, OC43, or 229E usually cause mild to moderate upper-respiratory tract illnesses, like the common cold)”
“Results from antibody testing should not be used to diagnose or exclude SARS-CoV-2 infection or to inform infection status.”
Stated by Johns Hopkins Medicine, FDA, Health Canada, and product inserts for Assure, TBG, ACON, MEGNA and BIOTIME COVID-19 IgM/IgG Antibody Rapid Test Kits
Health Canada, the CDC, the WHO (the UN) and Ontario Premier Doug Ford have all used the results from antibody testing kits to declare a health emergency and to justify lockdowns despite the FDA, the CDC and Health Canada all stating “Results from antibody testing should not be used to diagnose or exclude SARS-CoV-2 infection or to inform infection status”