The interval for which an OHC COVID-19 antigen self-test stays efficient and dependable in producing correct outcomes is indicated by a particular date. This date signifies the purpose past which the producer can’t assure the take a look at’s efficiency. For example, a take a look at with a printed date of 2024-12-31 ought to ideally be used on or earlier than that date to make sure correct detection of SARS-CoV-2 antigens.
The assigned date is important for sustaining public well being security. Utilizing a take a look at previous its validated interval can result in inaccurate or unreliable outcomes, doubtlessly inflicting false negatives, delaying applicable medical care, and contributing to the additional unfold of the virus. Beforehand, producers usually assigned shorter durations attributable to restricted preliminary knowledge, however these durations have typically been prolonged as extra stability knowledge turns into out there. This extension, based mostly on rigorous scientific analysis, permits for continued use with out compromising take a look at efficacy.