Naturally Acquired Human Plasmodium knowlesi Infection, Singapore
2008

Case of Plasmodium knowlesi Infection in Singapore

Sample size: 1 publication Evidence: low

Author Information

Author(s): Ng Oon Tek, Ooi Eng Eong, Lee Cheng Chuan, Lee Piao Jarrod, Ng Lee Ching, Pei Sze Wong, Tu Tian Ming, Loh Jin Phang, Leo Yee Sin

Primary Institution: Tan Tock Seng Hospital, Singapore

Hypothesis

Can Plasmodium knowlesi be a cause of malaria in a malaria-free country like Singapore?

Conclusion

This case confirms that Plasmodium knowlesi can cause malaria in Singapore, indicating the need for awareness of this emerging zoonotic disease.

Supporting Evidence

  • The patient had fever, myalgia, and other symptoms consistent with malaria.
  • Initial diagnosis was dengue fever, which was ruled out after further testing.
  • PCR confirmed the presence of Plasmodium knowlesi in the patient's blood.

Takeaway

A soldier in Singapore got malaria from a monkey parasite, even though Singapore is supposed to be free of malaria.

Methodology

Diagnosis was confirmed by PCR with species-specific primers.

Limitations

The study is based on a single case report.

Participant Demographics

A previously healthy 20-year-old soldier.

Digital Object Identifier (DOI)

10.3201/eid1405.070863

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