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Taiwan's President Ma Ying-jeou announced recently that China has dropped its objections to the self-governed island's participation as an observer in the World Health Organization (WHO). This is truly great news for Taiwan. Though it is a far cry from a full seat at the United Nations, limited participation in the WHO will afford Taiwan greater opportunities to interact with other countries and, perhaps more important, will help Taiwan to better protect itself, and the many international travelers that it hosts, from epidemics like the swine flu. As positive as this development may be, and though cross-Strait relations have warmed over the past year, Taipei should not become complacent in protecting itself against Chinese provocations. Beijing still intends to unify Taiwan with the...