HSPA9 and COVID-19: However, rs1042665 HSPA9 was associated with an increased risk of severe COVID-19 in the group with normal fresh fruit and vegetable intake (risk allele C, OR = 1.67, 95% CI 1.14–2.46, p = 0.009, pperm = 0.009 (pbonf = 0.02)) (Table 2 and Table S3).