Swabs with extra long shafts and an enlarged absorbent head can be obtained by emailing equinesurveillance@gmail.com
Strategy to eradicate and prevent Strangles (STEPS): https://www.sruc.ac.uk/media/5v3jl2yq/steps-guidelines.pdf
Streptococcus equi infections: current best practice in the diagnosis and management of strangles: : http://www.sciencedirect.com/science/article/pii/S1090023312003103
Streptococcus equi infections in horses: Guidelines for treatment, control and prevention of Strangles - revised consensus statement: https://onlinelibrary.wiley.com/doi/full/10.1111/jvim.15043