Does seasonal influenza vaccination increase the risk of illness with the 2009 A/H1N1 pandemic virus?

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

Who cites it

1 citing paper in PubMed.

1. Non-neutralizing antibodies induced by seasonal influenza vaccine prevent, not exacerbate A(H1N1)pdm09 disease.Scientific reports · 2016
   Article

Corrections and comments

• Reprint of
  Does seasonal influenza vaccination increase the risk of illness with the 2009 A/H1N1 pandemic virus?2010

Authors and funding

2 authors.

Funding

No grant is acknowledged in the PubMed record.

Abstract