Main topics in news coverage.

<p>Percentage coverage of main topics mentioned in 47 CTV news clips of the 2009 H1N1 pandemic in Alberta. The most common topics were: the line-ups at vaccination clinics, the public’s frustration with the vaccination campaign, the official response to criticism of the vaccination campaign and the identification of priority groups. Key public health messages like H1N1 symptoms; information on H1N1 and its transmission; and vaccine safety received less attention in the news coverage.