An isolated anti-CMV antibody or fragment thereof, wherein said antibody or fragment thereof comprises: (a) a V H region comprising (i) a V H CDR1 region comprising the amino acid sequence of SSNGIH (SEQ ID NO: 57); (ii) a V H CDR2 region comprising the amino acid sequence of VISSDANDKQYADSVKG (SEQ ID NO: 58); (iii) a V H CDR3 region comprising the amino acid sequence of DGTCSGGNCYSGLIDY (SEQ ID NO: 59); and (b) a V L region comprising (i) a V L CDR1 region comprising the amino acid sequence of RASQSVGGYLA (SEQ ID NO: 43); (ii) a V L CDR2 region comprising the amino acid sequence of ASIRAT (SEQ ID NO: 64); (iii) a V L CDR3 region comprising the amino acid sequence of HQRSNWPPLT (SEQ ID NO: 65); or (a) a V H region comprising (i) a V H CDR1 region comprising the amino acid sequence of GFTFSS (SEQ ID NO: 60); (ii) a V H CDR2 region comprising the amino acid sequence of VISSDANDKQ (SEQ ID NO: 61); (iii) a V H CDR3 region comprising the amino acid sequence of DGTCSGGNCYSGLIDY (SEQ ID NO: 59); and (b) a V L region comprising (i) a V L CDR1 region comprising the amino acid sequence of RASQSVGGYLA (SEQ ID NO: 43); (ii) a V L CDR2 region comprising the amino acid sequence of ASIRAT (SEQ ID NO: 64); (iii) a V L CDR3 region comprising the amino acid sequence of HQRSNWPPLT (SEQ ID NO: 65). (a) a V H region comprising (i) a V H CDR1 region comprising the amino acid sequence of SSNGIH (SEQ ID NO: 57); (ii) a V H CDR2 region comprising the amino acid sequence of VISSDANDKQYADSVKG (SEQ ID NO: 58); (iii) a V H CDR3 region comprising the amino acid sequence of DGTCSGGNCYSGLIDY (SEQ ID NO: 59); and (b) a V L region comprising (i) a V L CDR1 region comprising the amino acid sequence of RASQSVGGYLA (SEQ ID NO: 43); (ii) a V L CDR2 region comprising the amino acid sequence of ASIRAT (SEQ ID NO: 64); (iii) a V L CDR3 region comprising the amino acid sequence of HQRSNWPPLT (SEQ ID NO: 65); or (a) a V H region comprising (i) a V H CDR1 region comprising the amino acid sequence of SSNGIH (SEQ ID NO: 57); (ii) a V H CDR2 region comprising the amino acid sequence of VISSDANDKQYADSVKG (SEQ ID NO: 58); (iii) a V H CDR3 region comprising the amino acid sequence of DGTCSGGNCYSGLIDY (SEQ ID NO: 59); and (i) a V H CDR1 region comprising the amino acid sequence of SSNGIH (SEQ ID NO: 57); (ii) a V H CDR2 region comprising the amino acid sequence of VISSDANDKQYADSVKG (SEQ ID NO: 58); (iii) a V H CDR3 region comprising the amino acid sequence of DGTCSGGNCYSGLIDY (SEQ ID NO: 59); and (b) a V L region comprising (i) a V L CDR1 region comprising the amino acid sequence of RASQSVGGYLA (SEQ ID NO: 43); (ii) a V L CDR2 region comprising the amino acid sequence of ASIRAT (SEQ ID NO: 64); (iii) a V L CDR3 region comprising the amino acid sequence of HQRSNWPPLT (SEQ ID NO: 65); or (i) a V L CDR1 region comprising the amino acid sequence of RASQSVGGYLA (SEQ ID NO: 43); (ii) a V L CDR2 region comprising the amino acid sequence of ASIRAT (SEQ ID NO: 64); (iii) a V L CDR3 region comprising the amino acid sequence of HQRSNWPPLT (SEQ ID NO: 65); or (a) a V H region comprising (i) a V H CDR1 region comprising the amino acid sequence of GFTFSS (SEQ ID NO: 60); (ii) a V H CDR2 region comprising the amino acid sequence of VISSDANDKQ (SEQ ID NO: 61); (iii) a V H CDR3 region comprising the amino acid sequence of DGTCSGGNCYSGLIDY (SEQ ID NO: 59); and (b) a V L region comprising (i) a V L CDR1 region comprising the amino acid sequence of RASQSVGGYLA (SEQ ID NO: 43); (ii) a V L CDR2 region comprising the amino acid sequence of ASIRAT (SEQ ID NO: 64); (iii) a V L CDR3 region comprising the amino acid sequence of HQRSNWPPLT (SEQ ID NO: 65). (a) a V H region comprising (i) a V H CDR1 region comprising the amino acid sequence of GFTFSS (SEQ ID NO: 60); (ii) a V H CDR2 region comprising the amino acid sequence of VISSDANDKQ (SEQ ID NO: 61); (iii) a V H CDR3 region comprising the amino acid sequence of DGTCSGGNCYSGLIDY (SEQ ID NO: 59); and (i) a V H CDR1 region comprising the amino acid sequence of GFTFSS (SEQ ID NO: 60); (ii) a V H CDR2 region comprising the amino acid sequence of VISSDANDKQ (SEQ ID NO: 61); (iii) a V H CDR3 region comprising the amino acid sequence of DGTCSGGNCYSGLIDY (SEQ ID NO: 59); and (b) a V L region comprising (i) a V L CDR1 region comprising the amino acid sequence of RASQSVGGYLA (SEQ ID NO: 43); (ii) a V L CDR2 region comprising the amino acid sequence of ASIRAT (SEQ ID NO: 64); (iii) a V L CDR3 region comprising the amino acid sequence of HQRSNWPPLT (SEQ ID NO: 65). (i) a V L CDR1 region comprising the amino acid sequence of RASQSVGGYLA (SEQ ID NO: 43); (ii) a V L CDR2 region comprising the amino acid sequence of ASIRAT (SEQ ID NO: 64); (iii) a V L CDR3 region comprising the amino acid sequence of HQRSNWPPLT (SEQ ID NO: 65).