A tularemia outbreak in Sweden has reached nearly 800 cases this year and is poised to surpass 2015 as the highest yearly total in more than 50 years, causing concern among public health officials. This Outbreak Thursday, we will look at the epidemiology of the current outbreak as well as longer-term trends, including the possibility that this outbreak could signal elevated incidence in future years.
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Brazil is battling a record yellow fever outbreak which threatens to spread to coastal metropolises. We discuss the emergency vaccination strategies that are being used by health officials to stem the outbreak, including fractional dosing.
Increased international travel and rising temperatures are expanding the geographical range of disease vectors. Locally transmitted chikungunya virus in Italy demonstrates the risks posed by the spread of disease vectors such as mosquitoes.
A new report found that there has been a substantial increase in the number of US counties reporting the presence of mosquitoes capable of spreading Zika virus.