According to Journal Citation Reports, the journal's 2016 impact factor is 6.99, ranking it 4th out of 82 journals in the infectious disease category. The journal also has a 2016 Google Scholar h5-index score of 79, ranking it 2nd in both the epidemiology category[3] and among open-access epidemiological journals, as well as 4th in the communicable diseases category[4] and 1st among open-access communicable disease journals.