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NEW YORK — The number of pregnant women in the U.S. infected with Zika virus has suddenly tripled, due to a change in how the government is reporting cases.
Previously, officials had reported how many pregnant women had both Zika symptoms and positive blood tests. In a change announced Friday, the Centers for Disease Control and Prevention’s count will include all women who tested positive, regardless of symptoms.
There are now 157 pregnant women infected with Zika in the 50 states, up from the 48 reported last week under the old definition.
Experts emphasized there does not appear to be any dramatic actual increase.
