Heavy rains increase mosquito population and Ross River fever in Australia

Due to heavy rains, the mosquito population in Queensland has increased significantly, and, as a result, the number of cases of Ross River fever has also increased. Since mid-February, the number of cases almost tripled, from 380 cases to at least 1,000 cases in these past 2 weeks. Authorities are predicting “thousands” of more cases in the coming weeks. While the Gold Coast area has been most affected, New South Wales has also reported a significant outbreak, with 322 cases as of the end of January.

The virus that causes Ross River fever is transmitted only through the bite of an infected mosquito. Travellers to areas where this virus is active should take all necessary precautions to avoid mosquito bites.

Visit our Health Library for more information on exposure to and the prevention of Ross River Fever.

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