Volume 9, Number 8—August 2003
Research
Enzootic Transmission of Yellow Fever Virus in Peru
Juliet E. Bryant*, Heiman Wang*, Cesar Cabezas†, Gladys Ramirez‡, Douglas Watts*, Kevin Russell§, and Alan Barrett*
Table 1
Peruvian yellow fever isolates used in this studya
| Strain ID | Date of illness onset | Sequence ID | Department | Community | Elevationb | Ecozone | Passage historyc |
|---|---|---|---|---|---|---|---|
| 1362/77 | 6/1977 | PERU77A | Ayacucho | San Francisco | 1,000–2,000 | df-S or df-LM | c6/36#2 |
| 1368 | 6/1977 | PERU77B | Ayacucho | Tribolina | 1,000–2,000 | vhf-S | SM1, Vero1, C6/36#2 |
| 1371 | 6/1977 | PERU77C | Ayacucho | Chontacocha | 0–1,000 | hf-S | SM1, Vero1, C6/36#2 |
| 287/78 | 2/22/1978 | PERU78 | Ayacucho | San Francisco | 1,000–2,000 | sf-S | SM1, Mosq 2 |
| R 35740 | 2/1979 | PERU79 | Ayacucho | Alto Montaro | 0–1,000 | vhf-S | SM1, Mosq 2 |
| 1899/81 | 6/19/1981 | PERU81A | Cusco | Cusco | 2,000–3,000 | hf-M | SM1 |
| 1914c | 6/12/1981 | PERU81B | Cusco | Cusco | 2,000–3,000 | hf-M | LLCMK2, Vero 1, C6/36#1 |
| ARVO544 | 1995 | PERU95A | San Martin | Tocache Huaquisha | 0–1,000 | hf-T near vhf-S | SM1, Vero1, C6/36#2 |
| HEB4224 | 1995 | PERU95B | San Martin | Tocache Nuevo Progresso | 2,000–3,000 | hf-T near vhf-S, vhf-LM | SM1, C6/36#1 |
| HEB4236 | 3/2/1995 | PERU95C | Pasco | Oxapampa Villa Rica | 1,000–2,000 | hf-M | C6/36#1 |
| 149 | 3/95 | PERU95D | Pasco | Oxapampa Villa Rica | 1,000–2,000 | hf-M | SM1, C6/36#1 |
| Cepa#2 | 9/95 | PERU95E | Puno | No data | 2,000–3,000 | hf-S | SM1, C6/36#1 |
| Cepa#1 | 9/95 | PERU95F | Puno | No data | 2,000–3,000 | hf-S | C6/36#2 |
| OBS 2240 | 2/95 | PERU95G | Huanuco | Hermil | 1,000–2,000 | vhf-LM | C6/36#2 |
| OBS 2250 | 5/16/1995 | PERU95H | Huanuco | Hermil | 1,000–2,000 | vhf-LM | SM1, C6/36#1 |
| HEB 4240 | 1/30/1995 | PERU95I | Junin | Chachamayo | 1,000–2,000 | hf-LM | C6/36#1, SM1 |
| HEB 4245 | 3/6/1995 | PERU95J | Junin | Chachamayo | 1,000–2,000 | hf-LM | SM1, C6/36#1 |
| HEB 4246 | 3/8/1995 | PERU95K | Junin | Chachamayo | 1,000–2,000 | hf-LM | SM1, C6/36#1 |
| OBS 2243 | 2/95 | PERU95L | Huanuco | No data | 1,000–2,000 | vhf-LM | SM1, C6/36#1 |
| ARV 0548 | 3/19/1995 | PERU95M | San Martin | Tocache Huaquisha | 0–1,000 | hf-T near vhf-S | SM1, C6/36#1 |
| OBS 6530 | 3/26/1998 | PERU98A | Cusco | Echarate | 1,000–2,000 | df-S | SM1, C6/36#1 |
| 03-5350-98 | 3/13/1998 | PERU98B | Cusco | Kanaiquinaba | 2,000–3,000 | sf-S | C6/36#2 |
| OBS 6745 | 3/29/1998 | PERU98C | Cusco | Minsa/C.S. Moronacocha | 1,000–2,000 | hf-M | C6/36#2 |
| IQT 5591 | 1/19/1998 | PERU98D | Loreto | Belen, Tihuensa | 0–1,000 | hf-T | C6/36#2 |
| OBS 7904 | 5/5/1999 | PERU99 | San Martin | Tarapoto | 2,000–3,000 | hf-S and vhf-S | Vero1, C6/36#3 |
aSM, suckling mouse; df-S, dry forest-subtropical; df-LM, dry forest-lower montane; vhf-S, very humid forest-subtropical; hf-S, humid forest-subtropical; sf-S, shrub forest-subtropical; hf-M, humid forest-montane; hf-T, humid forest-tropical; vhf-LM, very humid forest-lower montane; hf-LM, humid forest-lower montane.
bElevation, range of meters above sea level for the ecozone immediately surrounding the place of viral origin.
cPassage history of seed strain in collection.
dStrain 1914 was obtained from a sentinel mouse.
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