Erratum

After the publication of this work [1], we noticed that an incorrect version of Fig. 5 (Fig. 1 here) was published. The correct version of Figure five has now been updated in the original article and can also be seen below. The publisher apologises for any inconvenience caused.

Fig. 5
figure 1

From: Porcine epidemic diarrhea virus: An emerging and re-emerging epizootic swine virus