A cost analysis of the 2025 measles outbreak in New Mexico found that the outbreak carried an estimated societal cost of $5.4 million, or more than $53,000 per case.
Columnaris disease pathogens, which were previously only found in Asia and the United States, were identified in samples from São Paulo, Minas Gerais, and Paraná. This finding underscores the need for epidemiological surveillance and new vaccines.
A study based on mathematical models shows that, when competing populations colonize new territory, greater fitness is not enough: position and expansion speed also matter.
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