Figure 2. Example of S. pneumoniae isolates collected from child no. 37 during four sampling periods. Lane 1: Isolate collected at week 1; lanes 2-3: isolates collected at week 2; lanes 4-7, 9-13: isolates collected at week 3; lane 8: low molecular weight lambda ladder; lanes 14-21: isolates collected at week 4.
The opinions expressed by authors contributing to this journal do not necessarily reflect the opinions of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.