Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Seven C. diphtheriae strains isolated within three different surveyed households
| House-hold | Strain designation | Bio-typea | Toxi-genicity | Relationship within household | Ribo-type | ET |
|---|---|---|---|---|---|---|
| 1 | PR101 | M | − | Sibling | M1a | 221 |
| PR130 | M | − | Sibling | M1a | 229 | |
| 2 | PR79 | G | + | Sibling | M11d | 225 |
| PR110 | M | + | Sibling | M11b | 228 | |
| PR115 | M | + | Sibling | M11b | 228 | |
| 3 | PR20 | M | − | Daughter | M1a | 222 |
| PR75 | G | + | Mother | G5 | 224 |
M, mitis; G, gravis.
