From: Molecular characterization and phylogenetic analysis of porcine epidemic diarrhea virus strains circulating in China from 2020 to 2021
Month
2020
2021
Sum
Mar ~ Jun
Jul ~ Sep
Oct ~ Dec
Jan ~ Mar
Total samples
260
130
203
88
681
Samples sequenced
21
14
46
10
91
Positive samples
28
51
15
115
Positive rate (%)
10.8
16.2
25.1
17.0
16.9