Table 3.

Abundance of selected phages whose hosts are commonly found in COPD.

Virus∗	Healthy control	Moderate COPD	Severe COPD
Bordetella phages	nd	0.07%	0.04%
Human alphaherpesvirus 1	nd	nd	0.04%
Moraxella phages	0.15%	0.12%	0.32%
Pseudomonas phages	0.29%	0.40%	0.36%
Stenotrophomonas phages	0.02%	0.03%	0.08%
Streptococcus phages	0.15%	0.39%	0.40%

^∗All virus infecting the same host. nd, not detected.