TABLE 2.
Comparison of M segment nucleotide identity differences among endemic versus epizootic/epidemic RVF virus strains
| Strain no. | Strain | Nucleotide identity differences with strain no.a:
|
||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Endemic
|
Epidemic
|
|||||||||||||||||||
| Zimbabwe 1970-1978
|
CAR 1973-74
|
Mauritania 1987
|
Egypt 1977-1979
|
|||||||||||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | ||
| 1 | 763/70 | 4.7 | 4.5 | 3.5 | 4.5 | 4.4 | 4.3 | 4.3 | 4.3 | 4.8 | 4.7 | 4.8 | 4.7 | 4.7 | 4.6 | 4.7 | 4.7 | 4.7 | 4.8 | |
| 2 | 2250/74 | 4.1 | 4.3 | 2.4 | 2.2 | 1.9 | 2.3 | 2.3 | 4.7 | 4.6 | 4.7 | 4.7 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.5 | ||
| 3 | 2269/74 | 3.8 | 4.1 | 3.7 | 3.5 | 3.9 | 3.9 | 4.3 | 4.2 | 4.3 | 4.3 | 4.1 | 4.0 | 4.0 | 4.1 | 4.1 | 4.1 | |||
| 4 | 2373/74 | 4.3 | 4.0 | 3.9 | 4.0 | 4.0 | 4.2 | 4.1 | 4.2 | 4.1 | 4.3 | 4.2 | 4.2 | 4.3 | 4.2 | 4.3 | ||||
| 5 | 1260/78 | 2.1 | 2.1 | 1.2 | 1.2 | 4.6 | 4.6 | 4.6 | 4.6 | 2.4 | 2.4 | 2.4 | 2.4 | 2.4 | 2.5 | |||||
| 6 | 1853/78 | 1.6 | 1.9 | 1.9 | 4.3 | 4.2 | 4.3 | 4.3 | 2.2 | 2.1 | 2.2 | 2.2 | 2.2 | 2.3 | ||||||
| 7 | 73HB1230 | 1.8 | 1.8 | 4.2 | 4.2 | 4.2 | 4.2 | 1.9 | 1.8 | 1.9 | 1.9 | 1.9 | 2.0 | |||||||
| 8 | 73HB1449 | 0.0 | 4.3 | 4.2 | 4.3 | 4.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.4 | ||||||||
| 9 | 74HB59 | 4.3 | 4.2 | 4.3 | 4.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.4 | |||||||||
| 10 | OS1 | 0.2 | 0.3 | 0.2 | 4.5 | 4.6 | 4.5 | 4.6 | 4.6 | 4.7 | ||||||||||
| 11 | OS3 | 0.1 | 0.0 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.7 | |||||||||||
| 12 | OS8 | 0.1 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.8 | ||||||||||||
| 13 | OS9 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.7 | |||||||||||||
| 14 | ZH501 | 0.2 | 0.2 | 0.2 | 0.2 | 0.3 | ||||||||||||||
| 15 | ZH548 | 0.1 | 0.1 | 0.1 | 0.3 | |||||||||||||||
| 16 | ZH1776 | 0.1 | 0.1 | 0.3 | ||||||||||||||||
| 17 | ZM657 | 0.1 | 0.3 | |||||||||||||||||
| 18 | ZS6365 | 0.3 | ||||||||||||||||||
| 19 | ZC3349 | |||||||||||||||||||
a
The numbering of strains along the top of the table corresponds to the RVF strain numbers in the first column. Boldface numbers indicate differences among viruses that are within a given enzootic area or epizootic.