Correction to: Ex-vivo RNA expression analysis of vaccine candidate genes in COPD sputum samples
Cecilia Brettoni, Alessandro Muzzi, Simona Rondini, Vincent Weynants, Silvia Rossi Paccani

Abstract
Genes, proteins, chemicals, diseases, species, mutations and cell lines named across the full text — each resolved to its canonical identifier and authoritative record.
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Taxonomy
TopicsChronic Obstructive Pulmonary Disease (COPD) Research · Respiratory viral infections research · Pediatric health and respiratory diseases
Correction to: Respiratory Research (2023) 24:243
10.1186/s12931-023-02525-z
Following publication of the original article [1], the author identified the errors in tables and supplementary material. The corrections have been listed below:
In Result section under “Patients and samples”, the mean age was incorrectly given as “67.8 years” and should have be “66.8 years”. The correct sentence should read “Mean age was 66.8 years, and the mean number of exacerbations, in these patients’ history was 3.1/year (Table 1)”.
In Table 2, some values were inadvertently mismatched during the copy-pasting process from the source data table. This mistake has no impact on the conclusion of the manuscript. This has been corrected with this erratum.
In Supplementary Table 1, some primers sequences were also erroneously duplicated. This has been updated now.
Table 2. Gene expression of NTHi and Mcat genes in sputum samplesGene (visit)Samples, nMedian, copies/µlIQR,copies/µlNTHi genes in NTHi positive samples gapA (ST)522.000.11–40.40 gapA (EX)534.430.11–117.66 ompP6 (ST)5588.904.81–492.77 ompP6 (EX)4843.110.48–706.50 pd (ST)556.140.50–48.04 pd (EX)4723.100.87–109.46 pe (ST)580.870.26–10.89 pe (EX)500.930.24–14.55 pilA (ST)240.060.06–1.69 pilA (EX)320.060.06–1.84Mcat genes in Mcat positive samples uspA2 (ST)174.713.81–21.31 uspA2 (EX)184.033.29–90.55 parE (ST)31.340.73–20.59 parE (EX)40.440.12–0.86 polA (ST)150.330.22–0.89 polA (EX)140.420.26–0.97EX, exacerbation visit; IQR, interquartile range; n, number; ST, stable visit
Electronic supplementary material
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Supplementary Material 1
The reference list from the paper itself. Each links out to its DOI / PubMed record.
