Volume 9, Number 5—May 2003
Research
Human Milk Secretory Antibodies against Attaching and Effacing Escherichia coli Antigens
Marita Noguera-Obenza*, Theresa J. Ochoa*, Henry F. Gomez*, M. Lourdes Guerrero†, Irene Herrera-Insua*, Ardythe L. Morrow‡, Guillermo Ruiz-Palacios†, Larry K. Pickering§, Carlos A. Guzman¶, and Thomas G. Cleary*
Table 1
Distribution of milk samples over duration of lactation in the two study cohorts
| No. days of lactation | Mexico (%) | United States (%) |
|---|---|---|
| <5 |
16 (22) |
11 (22) |
| 6–30 |
43 (59) |
30 (60) |
| >30 |
14 (19) |
9 (18) |
| Total | 73 (100) | 50 (100) |
