Norwegian health authorities said Friday they have discovered a potentially significant mutation in the H1N1 influenza strain that could be responsible for causing the severest symptoms among those infected. Full story
What are you doing to protect yourself and your family? Are you worried or wearied? Discuss swine flu on Newsvine.
When the nation's swine flu vaccination program began in early October, health officials predicted it was going to be "messy." They were right.
Learn whether your symptoms match swine flu by taking a free self-assessment based on material from Emory University.
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