[1] Angers Univ Hosp, Dept Virol, Angers, France
[2] Grp Rech Infect Pendant Grossesse GRIG, Paris, France
[3] Cornouaille Hosp Ctr, Paediat Med Dept, Quimper, France
[4] Sorbonne Univ, Hop Trousseau, AP HP, Dept Sante Publ,Ctr Reference Agents Teratogenes C, Paris, France
[5] Paris Saclay Univ Hosp, APHP, Div Virol, WHO Rubella Natl Reference Lab,Dept Biol Genet & P, Paris, France
[6] Univ Paris Saclay, INSERM, U1193, Villejuif, France