MYH9 and infection: When under SFTSV infection, there were several findings: the disrupted function of non-muscle myosin heavy chain IIA induced by SFTSV led to thrombocytopenia Sun Y. et al., 2014 the suppression of non-muscle myosin heavy chain IIA reduced SFTSV infection and, reciprocally, the overexpression of non-muscle myosin heavy chain IIA enhanced the cell susceptibility of SFTSV.