Fig. 1

Colorimetric (A and B) and conventional LAMP (C) assays at different temperatures. A. The colorimetric LAMP method before being run at different temperatures (58–65 °C) B. A color shift from pink (negative) to bright yellow (positive) was observed. C. Ladder-like amplicons were seen in samples at appropriate temperatures (58–62.6 °C), and no amplicons were seen in other samples