Table 3.
Reported human infections caused by H7 viruses before the 2013 influenza A H7N9 outbreak
| Country | Details | |
|---|---|---|
| H7N2 | ||
| 200257 | USA | A culler of poultry had upper respiratory tract symptoms and was later found to have antibody against H7N2; outbreak in poultry occurred before the human case |
| 20035 | USA | A man with HIV with conjunctivitis and community acquired pneumonia; no known exposure to live or dead poultry, wild birds, or bird faeces |
| 200758 | UK | Four human infections presented with influenza-like illness; outbreak in poultry occurred before the human cases |
| H7N3 | ||
| 200359 | Italy | 3·8% of the poultry workers were positive for anti-H7 antibody |
| 20047 | Canada | 55 suspected and two laboratory-confirmed human infections; an outbreak in chicken arose before the human cases; both confirmed patients developed conjunctivitis |
| 200660 | UK | A poultry worker presented with conjunctivitis. An outbreak in poultry arose before the human case |
| 201261 | Mexico | Two human infections presented with conjunctivitis; preceded by poultry outbreak |
| H7N7 | ||
| 198062 | USA | The virus was transmitted from an infected seal to a laboratory worker, who developed conjunctivitis |
| 199663 | UK | One patient presented with conjunctivitis; while cleaning out her duck house, a piece of straw entered her eye; no preceding outbreak in the ducks |
| 20039 | Netherlands | 89 human infections with one fatality; an outbreak in chicken arose before the human cases |