 An article published in JAMA in September 2010 challenged previous reports and stated that children infected in the 2009 flu pandemic were no more likely to be hospitalised with complications or get pneumonia than those who catch seasonal strains . Researchers found that about 1 @.@ 5 % of children with the H1N1 swine flu strain were hospitalised within 30 days , compared with 3 @.@ 7 % of those sick with a seasonal strain of H1N1 and 3 @.@ 1 % with an H3N2 virus . 
