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Viewpoints 25 Sep 2016 | 6:30 AM Premium

Passing on Zika through sex

We still do not know a lot about the sexual transmission of the Zika virus, but it is happening and precautions are needed.

Fitness 18 Jan 2014 | 4:00 PM Premium

At high risk

Drug users are at high risk for tuberculosis (TB), and they have been the drivers of TB epidemics in many countries.