GUANGZHOU, China (Reuters) – Every week, scientists in southern China release 3 million bacteria-infected mosquitoes on a 3 km (two-mile) long island in a bid to wipe out diseases such as dengue, yellow fever and Zika. The scientists inject mosquito eggs with wolbachia bacteria in a laboratory, then release infected male mosquitoes on the island on the outskirts of the city of Guangzhou. The bacteria, which occurs naturally in about 28 percent of […]