Table 1.
Percentage of SARS cases positive for influenza according to identified virus type by region of residence and year, Brazil.
| North | Northeast | Southeast | South | Central-West | Brazil | |
|---|---|---|---|---|---|---|
| Up to epidemiological week 52/2013 | ||||||
| Influenza A | 88.3 | 79.0 | 80.0 | 70.9 | 85.0 | 77.5 |
| Influenza B | 11.7 | 21.0 | 20.0 | 29.1 | 15.0 | 22.5 |
| Up to epidemiological week 35/2014 | ||||||
| Influenza A | 86.5 | 89.8 | 94.9 | 94.5 | 94.6 | 94.3 |
| Influenza B | 13.5 | 10.2 | 5.1 | 5.5 | 5.4 | 5.7 |
Note: Data obtained from Sinan Influenza Web/SVS/MS; SARS, Severe Acute Respiratory Syndrome.