Science

Most-read health stories of 2009

Swine flu most clicked health topic of the year.

Swine flu most clicked health topic of the year

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The swine flu pandemic dominated health news coverage and clicks in 2009. Concerns arose in the spring about a new flu that was spreading quickly. Although some deaths were reported from the H1N1 influenza, the infections were mostly mild. Countries, including Canada, rushed to get an H1N1 vaccine ready for rollout at the end of October. By late fall, a story about H1N1 hype became one of the most-read news stories of the year.

Other popular health stories in 2009 included AIDS vaccine testing, vitamin D and its possible effects on a gene known to increase the risk of multiple sclerosis, and botched cancer testing.

Here is the list of the most popular, but not necessarily the most important, health stories of the year.