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zika virus (subgroup of virus) → Causes → microcephaly	0.50
virus → Causes → microcephaly	0.45
baby → HasA → microcephaly	0.40
infection → Causes → microcephaly	0.28
fetus → HasA → microcephaly	0.26
virus (aspect of vaccine) → Causes → microcephaly	0.25
son (aspect of mother) → HasA → microcephaly	0.25
mutation → Causes → microcephaly	0.24