China Escalates Efforts to Shut Down Unauthorized VPNs

In spite of an earlier denial, the Chinese government has tightened its grip on the Internet, stepping up efforts against netizens’ access to unsupervised connections, including those via virtual private networks (VPNs) halfway through its 14-month-long crackdown nationwide. VPNs are third-party services that help bypass the so-called Great Firewall, installed …

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Seeing Outbreaks From Space

Countries with few health-management resources are prone to periodic outbreaks of insect-borne diseases affecting both people and livestock. One of the best ways to reduce the impact is timely vaccination and eradication of insects. But how to tell when an outbreak might occur? VOA’s George Putic spoke with a scientist …

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Global Use of Trade Restrictions Slows, WTO Says

More steps to free up trade globally have been taken since Donald Trump was elected than measures to restrict it, the World Trade Organization said, despite concerns his administration would introduce a raft of punitive rules to protect U.S. jobs. The WTO’s global monitoring report, debated at a trade policy …

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Test-tube Immune Systems Can Speed Vaccine Development

New technology allows scientists working on new vaccines to combat infectious diseases to test their products’ effectiveness on a model immune system in a laboratory, without putting the upgraded vaccine into humans. Researchers have begun building model immune systems using human cells, and this lab technique should make early vaccine …

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Swaziland Cuts HIV Infection Rate in Half

The U.S. government says the HIV epidemic is “coming under control” in Swaziland, the country with the world’s highest prevalence of the virus. The U.S. President’s Emergency Plan for AIDS Relief (PEPFAR) said Monday that new infections among adults in Swaziland have dropped by nearly half since 2011. It said …

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