Two Episodes of Dengue Fever, Caused by Types 4 and 1 Viruses, in an Individual Previously Immunized against Yellow Fever

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  • Virus Research Centre, Poona, and Christian Medical College and Hospital, Vellore, India

Summary

Two episodes of dengue fever, the first caused by type 4 virus and the second by type 1, occurred within a year in an individual previously immunized against yellow fever. Virus was isolated on both occasions. The patient's serological reactions to five group B viruses present in the area are reported.

Author Notes

Address: Virus Research Centre, P. O. Box No. 11, Poona 1, India.

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