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Doctors Warn Brazilian Women: ‘Don’t Get Pregnant’

An outbreak of Zika virus, a relatively new mosquito-transmitted infection, has caused substantial alarm in Brazil.

Since its appearance in spring of this year, thousands of people have become infected. Though the disease is annoying, it is not really dangerous, causing aches and fever and rash for a few days.

Zika, though, may be contributing to a much more substantial problem. Brazilian authorities are concerned that it is causing not just a self-limited disease but rather is profoundly affecting fetal development.