For example, HLA-DRB1*13:02 has been shown to confer protection against various illnesses ranging from hepatitis B and C (Singh et al., 2007), influenza (Posteraro et al., 2014), HIV (Pereyra et al., 2010), malaria (Hill et al., 1991), and numerous autoimmune disorders (Bettencourt et al., 2015). Here, HLA-DRB1 is linked to influenza.