Serologic evolution and clinical features related to intensity of exposure to Absidia corymbifera and Eurotium amstelodami
| A corymbifera | E amstelodami | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Serology (no. of arcs) | Exposure indexes† | Serology (no. of arcs) | Exposure indexes† | |||||||||||
| Farmer no. | Antecedents of farmer’s lung disease | Beginning of winter | End of winter | Period 1 | Period 2 | Period 3 | Total | Beginning of winter | End of winter | Period 1 | Period 2 | Period 3 | Total | Clinical features during indoor feeding season |
| *These results are considered as positive according to thresholds determined in a previous study:7 two arc theshold with the A corymbifera antigen and three arc theshold with the E amstelodami antigen. | ||||||||||||||
| †Exposure indexes in 106 cfu/h/m3 to each microorganism were calculated for three periods: period 1: November, December; period 2: January, February; period 3: March, April. | ||||||||||||||
| 1 | Yes | 3* | 2* | 67 | 239 | 565 | 871 | 1 | 3* | 690 | 2709 | 922 | 4321 | Several attacks from November to April |
| 2 | Yes | 1 | 2* | 490 | 38 | 25 | 553 | 3* | 0 | 462 | 133 | 140 | 735 | Acute attack in November |
| 3 | Yes | 3* | 4* | 8 | 52 | 15 | 75 | 2 | 3* | 208 | 777 | 91 | 1076 | Acute attack in January |
| 4 | No | 1 | 1 | 5 | 190 | 32 | 227 | 3* | 0 | 21 | 663 | 47 | 731 | Asymptomatic |
| 5 | No | 3* | 3* | 8 | 92 | 14 | 114 | 1 | 1 | 74 | 1163 | 344 | 1581 | Asymptomatic |
| 6 | Yes | 2* | 1 | 45 | 20 | 7 | 72 | 1 | 1 | 256 | 509 | 86 | 851 | Asymptomatic |
| 7 | No | 1 | 0 | 4 | 44 | 2 | 50 | 1 | 1 | 100 | 1749 | 5 | 1854 | Asymptomatic |
| 8 | No | 2* | 2* | 18 | 4 | 10 | 32 | 2 | 2 | 102 | 653 | 279 | 1034 | Asymptomatic |
| 9 | Yes | 0 | 0 | 2 | 5 | 12 | 19 | 3* | 2 | 20 | 41 | 411 | 472 | Asymptomatic |
| 10 | No | 1 | 1 | 4 | 7 | <1 | 12 | 0 | 1 | 62 | 1094 | 556 | 1712 | Asymptomatic |