Fig. 2From: Measles-mumps-rubella vaccine at 6 months of age, immunology, and childhood morbidity in a high-income setting: study protocol for a randomized controlled trialParticipant flow in trial. Timeline refers to the age of the child. Each vertical arrow represents a time point, and the accompanying text describes the activities at a certain time point of a participants’ trial participation. Above the timeline are shortly mentioned enrolment day-activities for participation without sampling. Below the timeline, the enrolment day-activities are mentioned for participation including samplingBack to article page