Volume 21, Number 9—September 2015
Acute Respiratory Infections in Travelers Returning from MERS-CoV–Affected Areas
|No. (%)‡||Highest no. imported in 1 mo||Time of highest no.|
|Influenza A (H3) virus||14 (7.9)||7||2013 Oct|
|Influenza A(H1N1)pdm09 virus||13 (7.3)||4||2014 May|
|Influenza B virus
|Other respiratory viruses|
|Rhinovirus||35 (19.8)||10||2013 Oct|
|Parainfluenza viruses 1–4||5 (2.8)||1||NA|
|Human metapneumovirus||4 (2.6)||2||2014 May|
|Respiratory syncytial virus (A and B)||4 (2.6)||1||NA|
|Human CoV OC43||6 (3.4)||3||2014 Feb|
|Human CoV 229E/NL63||2 (1.1)||1||NA|
|Chlamydophila pneumoniae||1 (0.6)||NA||NA|
|Legionella spp.||1 (0.6)||NA||NA|
*CoV, coronavirus; MERS, Middle East respiratory virus; NA, not applicable.
†Among the 177 returned travelers, no respiratory pathogen was found for 88 (49.7%). Among the remaining 89 (50.3%) returned travelers, at least 1 respiratory pathogen was found; 12 (6.8%) of these persons had viral co-infections. Among the 12 co-infections were 8 rhinovirus co-infections (4 persons with influenza A and 1 each with influenza B, enterovirus, CoV OC43, parainfluenza); 1 influenza A–CoV OC43 co-infection; 1 influenza B–respiratory syncytial virus; 1 CoV 229E/NL63–adenovirus; and 1 CoV 229E/NL63–human metapneumovirus co-infection.
‡Comprises all reported infections, including viruses that were involved in co-infections.
1Current affiliation: St. Michael’s Hospital, Toronto, Ontario, Canada.