sars‑cov‑2 antigen test kit for self testing with positive result and text jn.1 variant.

jn1 jn 19 antibody antigen cassette check corona coronavirus pandemic covid covid19 detection diagnosis diagnostic disease equipment hand health care holding hospital igm immune immunoassay infection instruction kit kraken variant laboratory lockdown medical negative nose omicron positive prevention quarantine quick rapid result screening selftest sick swab test virus