Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Positive rate for primer pairs at different concentrations.
| Primer pairs | Sample concentration (copies/ml) | ||||
|---|---|---|---|---|---|
| 1,000 | 700 | 500 | 400 | 300 | |
| US N1 | 100% | 100% | 95% | 35% | 15% |
| US N2 | 100% | 100% | 95% | 45% | 15% |
| US N3 | 100% | 100% | 100% | 55% | 20% |
| CHN N | 100% | 100% | 95% | 40% | 10% |
| NAm1 | 100% | 100% | 100% | 55% | 20% |
| NAm2 | 100% | 100% | 95% | 50% | 15% |
