According to a report, it could take weeks to identify how effective current vaccines are on a new covid variant named omnicron, that has a new spike protein.
Reportedly, antibody tests should not be used on infected or recently infected persons, it takes from one to three weeks following infection for antibodies to develop. According to reports, studies show that naturally acquired immunity is more effective against variants than vaccinations, which contain a single antigen or toxin to induce an immune response.
According to a report, infected people may be asymptomatic, with regard to pcr tests, the cycle threshold number numder tells how many cycles through the pcr machine were required for a positive result. Reportedly, twenty or so cycles indicate a relatively high viral load, 35-40 cycles could be very little virus at all.