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Approximately 40 people have been infected following an outbreak of Rift Valley fever in Tchintabaraden, a border community between Mali and Niger.
During epidemics of Rift Valley fever, direct transmission occurs via the aerosol route from infected animal tissues or fluids e.g. during slaughtering or butchering. All animal products should be thoroughly cooked before eating.
In addition mosquito bites have been implicated in transmission of disease therefore travellers should take precautions to avoid mosquito bites.