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. 2011 Jul 19;6(7):e22058. doi: 10.1371/journal.pone.0022058

Figure 4. Human migrations in Southeast Asia as proposed from H. pylori sequences.

Figure 4

I) An ancient migration from India distributed hpEurope bacteria in Southeast Asia. II) An ancient migration of Austro-Asiatic speakers from China carrying bacteria of the population hspEAsia. III) A migration of Tai-Kadai speakers introduced hpAsia2 bacteria in Thailand. IV) Recent migrations of Chinese from the Guangdong and Fujian provinces spread hspEAsia bacteria in Malaysia and Thailand within the last 200 years. V) Recent migrations of Indians to Malaysia brought both hpEurope and hpAsia2 bacteria to Malaysia.