The World Health Organization has declared an international health emergency over the explosive spread of the Zika virus. As Brazil readies for carnival celebrations, authorities are scrambling to respond to the outbreak.
A significant fall in the number of new cases of Zika in the first four months of 2017 has led Brazil to declare an end to the health emergency. There are still concerns of what may happen in the US.
Zika remains an international health emergency, the World Health Organization reports. The WHO's Zika task force also reports that the virus is continuing to infect new regions.
Rights group Human Rights Watch says Brazil needs to tackle the root causes of the Zika outbreak to avoid a recurrence. It says far too many people still live in conditions that favor the spead of the virus.
An emergency committee "will meet shortly" to examine the impact of the virus on the summer games, the WHO chief has said. Over 1.5 million people have been infected in Brazil, the country most impacted by the outbreak.
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