(RNA: Guides CRISPR-CAS9)
Essentially they need it in order to instruct CRISPR-CAS9 on the specific Gene Modification that needs to be done. This is why our DNA/RNA was gathered. They NEED it for instructing CRISPR in each individual person.
Mckesson: COVID-19 Diagnostic Technology Fact Pack
https://www.mckinsey.com/~/media/McKinsey/About%20Us/COVID%20Response%20Center/PDFs/COVID-19-Diagnostic-Technology-Fact-Pack.pdf