92% of all 121 Alabama Rot cases are in Winter or Spring

Of the 121 reported cases of confirmed, unconfirmed and suspected Alabama Rot between December 2012 and April 2016 (at 8th May 2016), 92% were reported in Winter (52%, 63 cases) and Spring (40%, 48 cases). Only 8% (10 cases) were reported in Summer (4%, 5 cases) or Autumn (4%, 5 cases).

75 confirmed cases (confirmed by dog post mortem) were analysed in another post dated 8th May 2016 indicating that 89% cases were reported in Winter or Spring.

This post with 121 analysed cases seems to strengthen the argument for a Winter / Spring seasonality to Alabama Rot. This 121 case analysis has 46 more cases (+60%) than the 75 confirmed cases.

alabamaRot-ALL-by-season
Winter (December, January, February), Spring (March, April, May), Summer (June, July, August), Autumn (September, October, November).

Chris Street of AlabamaRot.co.uk on 8th May 2016 analysed all confirmed UK Alabama Rot cases (between December 2012 and April 2016).

Data sources – Confirmed Cases UK map combined with Unconfirmed & Suspected cases (excludes confirmed cases) and cases-by-month spreadsheet.

Chart of All Alabama Rot cases by month between 2012 and 2016:

alabamaRot-ALL-cases-by-month

The monthly all cases were plotted by year:

alabamaRot-all-cases-by-month-by-year

The above chart shows the vast majority of Alabama Rot cases occur every year in Winter (December – February) and Spring (March – May).

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