Hepatitis A outbreaks The Lancet Infectious Diseases Ettore Severi, Harry Vennema, Johanna Takkinen, Pier Luigi Lopalco, Denis Coulombier The Lancet Infectious Diseases Volume 15, Issue 6, Pages 632-634 (June 2015) DOI: 10.1016/S1473-3099(15)00021-3 Copyright © 2015 Elsevier Ltd Terms and Conditions
Figure Maximum parsimony tree of 59 strains of HAV IB from travellers or residents from indicated countries We aligned sequences of 325 nucleotides of the VP1/P2A region and calculated maximum parsimony distances. Branch lengths in numbers of differences of the major branches are indicated. As an example of a strain with an unknown origin, the first Nordic outbreak strain of 2013 is indicated. The Lancet Infectious Diseases 2015 15, 632-634DOI: (10.1016/S1473-3099(15)00021-3) Copyright © 2015 Elsevier Ltd Terms and Conditions