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Articles on Secondary infection

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Successful vaccination against measles in childhood should provide lifetime protection. Paul Hennessy/NurPhoto via Getty Images

Explainer: a history of the measles virus and why it’s so tenacious

Measles infection can be easily managed with prompt health care and symptom management. But without care, mild symptoms can turn into life threatening secondary infections or long-term effects.
People and animals live side by side – and can have pathogens in common. Nichola Hill

Influenza’s wild origins in the animals around us

No one then knew a virus caused the 1918 flu pandemic, much less that animals can be a reservoir for human illnesses. Now virus ecology research and surveillance are key for public health efforts.

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