âFDA-clearedâ means a test system has been reviewed by the FDA and has been determined to be substantially equivalent to a test system already legally marketed for the same use. This could apply to waived, moderate or high complexity test systems.
The study estimates that there are now 3,890 wild tigers, up from 3,200 in 2010, when countries announced a historic commitment to double the population by 2022. Countries appear to be heading toward their goal, and this is the first time tiger numbers have been increasing globally in more than a hundred years.
Found in central and eastern China, the critically endangered South China tiger (Panthera tigris amoyensis) is nearing extinction. There are currently 47 South China tigers living in 18 zoos in China, according to the World Wildlife Fund. Exact numbers of wild South China tigers, if there are any left, are unknown. This photo of a South China tiger was taken on April 5, 2011.