疟疾有四种类型：间日疟原虫、三日疟原虫、卵形疟原虫和恶性疟原虫。
There are four types of human malaria: Plasmodium vivax, P. malariae, P. ovale and P. falciparum.
牙买加卫生部确认2006年11月6日至2007年2月3日在岛上发生恶性疟原虫造成的280例疟疾。
The Ministry of Health of Jamaica has confirmed 280 cases of malaria due to Plasmodium falciparum on the island between 6 November 2006 and 3 February 2007.
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