Volume 26, Number 1—January 2020
Dispatch
Infectivity of Norovirus GI and GII from Bottled Mineral Water during a Waterborne Outbreak, Spain
Susana Guix, Cristina Fuentes, Rosa M. Pintó, Albert Blanco, Aurora Sabrià, Eduard Anfruns-Estrada, Virginia Rodríguez Garrido, Manuel Alonso, Rosa Bartolomé, Thais Cornejo, Tomàs Pumarola, and Albert Bosch
Table 2
Illness status observed for secretors and nonsecretors of norovirus, according to different daily doses of ingested virus genomes, Spain*
| Virus genotype |
Ingested genome copies/d |
Ingested infectious genome copies/d |
Secretors |
Nonsecretors |
|||
| No. exposed persons |
% Symptomatic persons |
No. exposed persons |
% Symptomatic persons |
||||
| GI |
220–660 | 10–29 | 9 | 22.2 | 5 | 40.0 | |
| 661–1,100 | 30–49 | 5 | 80.0 | 1 | 100.0 | ||
| >1,100 |
>49 |
2 |
100.0 |
2 |
0.0 |
||
| GII | 1,160–3,480 | 65–196 | 9 | 33.3 | 5 | 0.0 | |
| 3,481–5,800 | 197–327 | 5 | 80.0 | 1 | 0.0 | ||
| >5,800 | >327 | 2 | 100.0 | 2 | 0.0 | ||
*n = 13. Persons who did not provide a stool sample were excluded from the analysis.
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