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New York Reports First Local Chikungunya Case Since 2019

10/17/2025

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Summary

Story summary

A Nassau County resident in New York has contracted the chikungunya virus, marking the first locally acquired case in the state and the first in the U.S. since 2019.
The virus, transmitted by infected mosquitoes, causes flu-like symptoms but is rarely fatal.
State Health Commissioner Dr. James McDonald noted that the risk of further spread is low due to cooler autumn temperatures.
Authorities are investigating the infection's source, as the individual traveled outside the region but not internationally.
Precautions against mosquito bites include wearing long clothing and using insecticides.

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Story summary

A Nassau County resident in New York has contracted the chikungunya virus, marking the first locally acquired case in the state and the first in the U.S. since 2019.
The virus, transmitted by infected mosquitoes, causes flu-like symptoms but is rarely fatal.
State Health Commissioner Dr. James McDonald noted that the risk of further spread is low due to cooler autumn temperatures.
Authorities are investigating the infection's source, as the individual traveled outside the region but not internationally.
Precautions against mosquito bites include wearing long clothing and using insecticides.