{Reference Type}: Letter {Title}: Human parvovirus 4 infection among mothers and children in South Africa. {Author}: Matthews PC;Sharp CP;Malik A;Gregory WF;Adland E;Jooste P;Goulder PJ;Simmonds P;Klenerman P; {Journal}: Emerg Infect Dis {Volume}: 21 {Issue}: 4 {Year}: Apr 2015 {Factor}: 16.126 {DOI}: 10.3201/eid2104.141545 {Abstract}: