Table 1.

Diagnostic viral read numbers after spiking 5000 genome copies of 5 different cultured viruses into 200 μl human amniotic fluid.

Number of genome copies	Species	Nucleic acid	Genome size (kb)	Alignment length (mean bp)	Diagnostic read number (mean ± SD)
5000	Human alpha-herpesvirus 1 (HSV1) Taxon ID: 10298	Linear dsDNA	152	1158	130 ± 150
5000	CMV Taxon ID: 10359	Linear dsDNA	236	8787	787 ± 272
5000	Influenza A virus Taxon ID: 11320	Linear ssRNA	14	507	118 ± 21
5000	Enterovirus B Taxon ID: 138949	Linear ssRNA	7.4	813	248 ± 82
5000	Parvovirus B19 Taxon ID: 10798	Linear ssDNA	5.6	654	21 ± 3

ds double stranded, ss single stranded.