The number of non-human primates being imported into the United States for research purposes has dropped sharply since the British Union for the Abolition of Vivisection (BUAV) in London and People for the Ethical Treatment of Animals (PETA) in Norfolk, Virginia, started pressuring major airlines to stop the activity (see Nature 489,344-345; 2012). All but a few have acquiesced, including Air China and China Southern, which had been transporting large numbers of animals.
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