Table 7.
Percentage of subtype H1, H3, and NT out of Type A strains by country and year
| Country | Year | Subtype H1 | Subtype H3 | Subtype non‐specified | N | Percentage subtype H1 % (95% CI) | Percentage subtype H3 % (95% CI) | Percentage subtype NTb % (95% CI) |
|---|---|---|---|---|---|---|---|---|
| Argentina | 1999 | 8 | 45 | 101 | 154 | 5·19 (2·27–9·98) | 29·22 (22·18–37·08) | 65·58 (57·51–73·04) |
| 2000 | 117 | 10 | 281 | 398 | 29·40 (24·96–34·14) | 0·00 (0·00–0·92) | 70·60 (65·86–75·04) | |
| 2001 | 1 | 417 | 377 | 2795 | 0·13 (0·00–0·70) | 52·45 (48·91–55·97) | 47·42 (43·90–50·96) | |
| 2002 | 23 | 10 | 149 | 182 | 12·64 (8·18–18·36) | 5·49 (2·67–9·87) | 81·87 (75·49–87·18) | |
| 2003 | 263 | 249 | 792 | 1304 | 20·17 (18·02–22·45) | 19·10 (17·00–21·34) | 60·74 (58·03–63·40) | |
| 2004 | 0 | 483 | 507 | 990 | 0·00 (0·00–0·37) | 48·79 (45·63–51·95) | 51·21 (48·05–54·37) | |
| 2005 | 0 | 453 | 326 | 779 | 0·00 (0·00–0·47) | 58·15 (54·60–61·64) | 41·85 (38·36–45·40) | |
| 2006 | 265 | 26 | 269 | 560 | 47·32 (43·12–51·55) | 4·64 (3·06–6·73) | 48·04 (43·83–52·26) | |
| 2007 | 0 | 321 | 632 | 953 | 0·00 (0·00–0·39) | 33·68 (30·68–36·78) | 66·32 (63·22–69·32) | |
| 2008 | 20 | 0 | 428 | 448 | 4·46 (2·75–6·81) | 0·00 (0·00–0·82) | 95·54 (93·19–97·25) | |
| Brazil | 1999 | 0 | 1 | 46 | 47 | 0·00 (0·00–7·55) | 2·13 (0·05–11·29) | 97·87 (88·71–99·95) |
| 2003 | 25 | 26 | 46 | 97 | 25·77 (17·42–35·65) | 26·80 (18·32–36·76) | 47·42 (37·19–57·82) | |
| 2004 | 4 | 34 | 88 | 126 | 3·17 (0·87–7·93) | 26·98 (19·47–35·62) | 69·84 (61·03–77·69) | |
| 2005 | 3 | 3 | 51 | 57 | 5·26 (1·10–14·62) | 5·26 (1·10–14·62) | 89·47 (78·48–96·04) | |
| 2006 | 41 | 26 | 120 | 187 | 21·93 (16·22–28·55) | 13·90 (9·29–19·71) | 64·17 (56·85–71·04) | |
| 2007 | 4 | 12 | 23 | 39 | 10·26 (2·87–24·22) | 30·77 (17·02–47·57) | 58·97 (42·10–74·43) | |
| 2008 | 96 | 0 | 73 | 169 | 56·80 (48·98–64·39) | 0·00 (0·00–2·16) | 43·20 (35·61–51·02) | |
| Chile | 1999 | 1 | 33 | 79 | 113 | 0·89 (0·02–4·83) | 29·20 (21·03–38·50) | 69·91 (60·57–78·18) |
| 2000 | 2151 | 3 | 193 | 347 | 43·52 (38·23–48·91) | 0·86 (0·18–2·51) | 55·62 (50·22–60·92) | |
| 2001 | 4 | 245 | 957 | 1206 | 0·33 (0·09–0·85) | 20·32 (18·08–22·70) | 79·35 (76·96–81·61) | |
| 2002 | 105 | 0 | 431 | 536 | 19·59 (16·31–23·21) | 0·00 (0·00–0·69) | 80·41 (76·79–83·69) | |
| 2003 | 2 | 316 | 235 | 553 | 0·36 (0·04–1·30) | 57·14 (52·90–61·31) | 42·50 (38·33–46·74) | |
| 2004 | 0 | 478 | 395 | 873 | 0·00 (0·00–0·42) | 54·75 (51·38–58·09) | 45·25 (41·91–48·62) | |
| 2005 | 0 | 468 | 276 | 744 | 0·00 (0·00–0·49) | 62·90 (59·32–66·38) | 37·10 (33·62–40·68) | |
| 2006 | 151 | 192 | 333 | 676 | 22·34 (19·25–25·67) | 28·40 (25·03–31·97) | 49·26 (45·43–53·10) | |
| 2007 | 7 | 310 | 301 | 3618 | 1·13 (0·46–2·32) | 50·16 (46·15–54·18) | 48·71 (44·70–52·73) | |
| 2008 | 393 | 0 | 250 | 643 | 61·12 (57·23–64·91) | 0·00 (0·00–0·57) | 38·88 (35·09–42·77) | |
| Colombia | 1999 | 0 | 43 | 10 | 53 | 0·00 (0·00–6·72) | 81·13 (68·03–90·56) | 18·87 (9·44–31·97) |
| 2000 | 22 | 5 | 5 | 32 | 68·75 (49·99–83·88) | 15·63 (5·28–32·79) | 15·63 (5·28–32·79) | |
| 2003 | 1 | 57 | 8 | 66 | 1·52 (0·04–8·16) | 86·36 (75·69–93·57) | 12·12 (5·38–22·49) | |
| 2005 | 0 | 2 | 68 | 70 | 0·00 (0·00–5·13) | 2·86 (0·35–9·94) | 97·14 (90·06–99·65) | |
| 2006 | 0 | 0 | 47 | 47 | 0·00 (0·00–7·55) | 0·00 (0·00–7·55) | 100·00 (92·45–100·00) | |
| Ecuador | 2007 | 38 | 0 | 2 | 40 | 95·00 (83·08–99·39) | 0·00 (0·00–8·81) | 5·00 (0·61–16·92) |
| French Guiana | 2002 | 0 | 59 | 9 | 68 | 0·00 (0·00–5·28) | 86·76 (76·36–93·77) | 13·24 (6·23–23·64) |
| México | 2000 | 4 | 23 | 519 | 546 | 0·73 (0·20–1·87) | 4·21 (2·69–6·25) | 95·05 (92·89–96·72) |
| 2001 | 9 | 6 | 66 | 781 | 11·11 (5·21–20·05) | 7·41 (2·77–15·43) | 81·48 (71·30–89·25) | |
| 2002 | 3 | 6 | 52 | 61 | 4·92 (1·03–13·71) | 9·84 (3·70–20·19) | 85·25 (73·83–93·02) | |
| 2003 | 24 | 79 | 254 | 357 | 6·72 (4·35–9·84) | 22·13 (17·93–26·80) | 71·15 (66·15–75·80) | |
| 2005 | 26 | 94 | 154 | 274 | 9·49 (6·29–13·59) | 34·31 (28·70–40·26) | 56·20 (50·11–62·17) | |
| 2006 | 83 | 14 | 32 | 49 | 6·12 (1·28–16·87) | 28·57 (16·58–43·26) | 65·31 (50·36–78·33) | |
| 2007 | 76 | 95 | 180 | 351 | 21·65 (17·46–26·33) | 27·07 (22·49–32·04) | 51·28 (45·92–56·62) | |
| 2008 | 16 | 63 | 31 | 110 | 14·55 (8·55–22·54) | 57·27 (47·48–66·66) | 28·18 (20·02–37·56) | |
| Panama | 2007 | 0 | 0 | 52 | 52 | 0·00 (0·00–6·85) | 0·00 (0·00–6·85) | 100·00 (93·15–100·00) |
| 2008 | 0 | 0 | 65 | 65 | 0·00 (0·00–5·52) | 0·00 (0·00–5·52) | 100·00 (94·48–100·00) | |
| Paraguay | 2000 | 0 | 0 | 38 | 38 | 0·00 (0·00–9·25) | 0·00 (0·00–9·25) | 100·00 (90·75–100·00) |
| 2001 | 0 | 0 | 39 | 39 | 0·00 (0·00–9·03) | 0·00 (0·00–9·03) | 100·00 (90·97–100·00) | |
| 2003 | 0 | 15 | 16 | 31 | 0·00 (0·00–11·22) | 48·39 (30·15–66·94) | 51·61 (33·06–69·85) | |
| 2004 | 0 | 51 | 60 | 111 | 0·00 (0·00–3·27) | 45·95 (36·45–55·67) | 54·05 (44·33–63·55) | |
| 2005 | 2 | 27 | 46 | 75 | 2·67 (0·32–9·30) | 36·00 (25·23–47·91) | 61·33 (49·38–72·36) | |
| Peru | 2002 | 90 | 222 | 65 | 377 | 23·87 (19·66–28·50) | 58·89 (53·73–63·90) | 17·24 (13·57–21·44) |
| 2003 | 47 | 85 | 505 | 637 | 7·38 (5·47–9·69) | 13·34 (10·80–16·23) | 79·28 (75·92–82·36) | |
| 2004 | 78 | 66 | 206 | 350 | 22·29 (18·03–27·01) | 18·86 (14·89–23·36) | 58·86 (53·50–64·06) | |
| 2005 | 145 | 42 | 187 | 374 | 38·77 (33·80–43·91) | 11·23 (8·21–14·88) | 50·00 (44·82–55·18) | |
| 2006 | 2 | 1 | 111 | 114 | 1·75 (0·21–6·19) | 0·88 (0·02–4·79) | 97·37 (92·50–99·45) | |
| 2007 | 0 | 0 | 59 | 59 | 0·00 (0·00–6·06) | 0·00 (0·00–6·06) | 100·00 (93·94–100·00) | |
| 2008 | 2 | 0 | 84 | 86 | 2·33 (0·28–8·15) | 0·00 (0·00–4·20) | 97·67 (91·85–99·72) | |
| Uruguay | 2003 | 16 | 37 | 27 | 80 | 20·00 (11·89–30·44) | 46·25 (35·03–57·76) | 33·75 (23·55–45·19) |
| 2004 | 0 | 5 | 31 | 36 | 0·00 (0·00–9·74) | 13·89 (4·67–29·50) | 86·11 (70·50–95·33) | |
| 2005 | 2 | 26 | 58 | 86 | 2·33 (0·28–8·15) | 30·23 (20·79–41·08) | 67·44 (56·48–77·16) | |
| 2006 | 10 | 0 | 42 | 52 | 19·23 (9·63–32·53) | 0·00 (0·00–6·85) | 80·77 (67·47–90·37) | |
| 2007 | 0 | 32 | 26 | 58 | 0·00 (0·00–6·16) | 55·17 (41·54–68·26) | 44·83 (31·74–58·46) | |
| 2008 | 25 | 0 | 10 | 35 | 71·43 (53·70–85·36) | 0·00 (0·00–10·00) | 28·57 (14·64–46·30) | |
| Venezuela | 2006 | 18 | 14 | 0 | 32 | 56·25 (37·66–73·64) | 43·75 (26·36–62·34) | 0·00 (0·00–10·89) |