Figure 1 | Scientific Reports

Figure 1

From: Truncation of C-terminal 20 amino acids in PA-X contributes to adaptation of swine influenza virus in pigs

Figure 1

Prevalence of SIV with truncated or full-length PA-X.

The proportion of swine influenza viruses with truncated or full-length PA-X was stratified by year. The numbers of PA sequences are as follows: 1930 to 1984, n = 144; 1985 to 1994, n = 78; 1995–2000, n = 79; 2001, n = 44; 2002, n = 40; 2003, n = 86; 2004, n = 94; 2005, n = 100; 2006, n = 86; 2007, n = 95; 2008, n = 100; 2009, n = 225; 2010, n = 258; 2011, n = 310; 2012, n = 342; 2013, n = 307; 2014, n = 138; 2015, n = 46.

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