ERVW-1 and infectious disease: 9 Calis Calis Job CJ Job CJ Rotteveel Rotteveel Hellen P Hellen P Van der Kuyl Van der Kuyl Antoinette C Antoinette C Zorgdrager Zorgdrager Fokla Fokla Kachala Kachala David David Van Hensbroek Van Hensbroek Michaël Boele Michaël Boele Cornelissen Cornelissen Marion Marion Severe anaemia is not associated with HIV-1 env gene characteristics in Malawian children Severe anaemia is not associated with HIV-1 env gene characteristics in Malawian children BMC Infectious Diseases.