Research Article

An Increased Frequency in HLA Class I Alleles and Haplotypes Suggests Genetic Susceptibility to Influenza A (H1N1) 2009 Pandemic: A Case-Control Study

Figure 2

Depiction of influenza A H1N1/09 patient (INF-P) and contact (INF-C) organized to three strata based on their region of origin. INF-P: influenza patients; INF-C: influenza contacts.