title: MH_230510_DNA (CRX912011; CRA008421)
library_construction_protocol: 25ml sewage water sample was mixed, centrifuge at 10,000rpm for 30 minutes. The supernatant was added NaCl to 0.5mol/L and mix with 10% PEG6000 at 4degreeC overnight; The solution was centrifuged at 8,000rpm for 30 minutes, and the precipitate obtained was enriched virus.