Received: 6 March 2019
Accepted: 11 September 2019
First Online: 18 September 2019
Ethics approval and consent to participate
: This work is a retrospective surveillance data analysis that is part of routine disease monitoring activity. The data we presented here was collected through the routine surveillance system. Blood specimen and demographic information were collected based on national IDSR technical guideline for surveillance purpose [CitationRef removed]. Laboratory analysis was conducted aiming to detect measles and rubella cases as part of the routine activity. Permission was obtained from the National Public Health Institute of Liberia to analyze the secondary data. Name, pictures and any other information that discloses personal information of the patient was not included in this report. Hence, an ethical review was not sought and obtained for this work. Consent to participate in the study was not obtained as it is not applicable to this study.
: As our report does not include individual data, consent for publication is not applicable for this article.
: The authors declare that they have no competing interests.