Table 1.
Epidemic | Starting week | Ending week | Duration (weeks) | Peak week | Cumulated incidence [95% CI] (in million cases) | Cumulated incidence rates [95% CI] (cases per 100 000 population) | Peak incidence rate (cases per 100 000 population) | Dominant or co‐dominant virus(es) | B lineage |
---|---|---|---|---|---|---|---|---|---|
1984/85 | 1985w03 | 1985w14 | 12 | 1985w05 | 4.3 [3.9; 4.7] | 7758 [7072; 8444] | 1155 | A(H3N2)a | – |
1985/86 | 1986w02 | 1986w12 | 11 | 1986w07 | 3.4 [3.1; 3.7] | 6160 [5663; 6657] | 886 | A(H3N2)a , b | – |
1986/87 | 1987w04 | 1987w09 | 6 | 1987w06 | 1.3 [1.2; 1.4] | 2415 [2244; 2586] | 533 | A(H1N1)a | – |
1987/88 | 1988w09 | 1988w15 | 7 | 1988w11 | 1.4 [1.3; 1.4] | 2432 [2280; 2584] | 566 | Ba | Victoria |
1988/89 | 1988w46 | 1989w02 | 9 | 1988w50 | 4.6 [4.4; 4.8] | 8227 [7920; 8534] | 1793 | A(H1N1)a | – |
1989/90 | 1989w48 | 1990w06 | 11 | 1989w51 | 4.6 [4.4; 4.9] | 8207 [7765; 8649] | 1463 | A(H3N2)a | – |
1990/91 | 1991w06 | 1991w10 | 5 | 1991w08 | 0.8 [0.7; 0.9] | 1386 [1256; 1516] | 381 | Ba | Yamagata |
1991/92 | 1991w49 | 1992w06 | 10 | 1991w51 | 2 [1.8; 2.2] | 3542 [3236; 3848] | 666 | A(H3N2)b | – |
1992/93 | 1993w03 | 1993w13 | 11 | 1993w06 | 1.9 [1.7; 2] | 3268 [3048; 3488] | 500 | Bb | Victoria |
1993/94 | 1993w46 | 1994w01 | 8 | 1993w49 | 3.1 [3; 3.2] | 5402 [5176; 5628] | 1565 | A(H3N2)a , b | – |
1994/95 | 1995w11 | 1995w18 | 8 | 1995w14 | 1.1 [1; 1.2] | 1925 [1782; 2068] | 431 | A(H3N2),Ba | Yamagata |
1995/96 | 1995w47 | 1996w02 | 8 | 1995w51 | 2.8 [2.7; 2.9] | 4818 [4594; 5042] | 1299 | A(H1N1),A(H3N2)a | – |
1996/97 | 1996w48 | 1997w05 | 10 | 1996w51 | 3 [2.8; 3.2] | 5175 [4905; 5445] | 1106 | A(H3N2)a | – |
1997/98 | 1998w06 | 1998w17 | 12 | 1998w14 | 2.4 [2.2; 2.6] | 4178 [3848; 4508] | 547 | A(H3N2)a | – |
1998/99 | 1998w53 | 1999w11 | 12 | 1999w07 | 3.3 [3; 3.5] | 5581 [5173; 5989] | 896 | A(H3N2)a | – |
1999/00 | 1999w49 | 2000w06 | 10 | 2000w01 | 3.3 [3.1; 3.5] | 5593 [5204; 5982] | 922 | A(H3N2)a | – |
2000/01 | 2000w50 | 2001w07 | 10 | 2001w05 | 1.6 [1.4; 1.7] | 2629 [2310; 2948] | 471 | A(H1N1)a | – |
2001/02 | 2002w01 | 2002w08 | 8 | 2002w04 | 2.3 [2.1; 2.5] | 3893 [3509; 4277] | 848 | A(H3N2)a | – |
2002/03 | 2003w05 | 2003w15 | 11 | 2003w07 | 1.5 [1.3; 1.7] | 2533 [2151; 2915] | 396 | Ba | Victoria |
2003/04 | 2003w45 | 2004w01 | 9 | 2003w49 | 2.8 [2.5; 3.1] | 4667 [4168; 5166] | 928 | A(H3N2)c | – |
2004/05 | 2005w03 | 2005w12 | 10 | 2005w06 | 3.1 [2.9; 3.3] | 5106 [4708; 5504] | 939 | A(H3N2)a , c | – |
2005/06 | 2006w04 | 2006w13 | 10 | 2006w06 | 1.6 [1.4; 1.8] | 2598 [2312; 2884] | 421 | A(H1N1),Ba , c | Victoria |
2006/07 | 2007w03 | 2007w09 | 7 | 2007w06 | 2.1 [1.9; 2.3] | 3398 [3100; 3696] | 815 | A(H3N2)a , c | – |
2007/08 | 2008w02 | 2008w10 | 9 | 2008w06 | 2.1 [1.9; 2.3] | 3468 [3168; 3768] | 615 | A(H1N1),Ba , c | Yamagata |
2008/09 | 2008w51 | 2009w08 | 10 | 2009w04 | 2.8 [2.5; 3.1] | 4459 [3993; 4925] | 868 | A(H3N2)c | – |
2009/10 | 2009w37 | 2009w52 | 16 | 2009w49 | 3.5 [3.2; 3.8] | 5515 [5043; 5987] | 754 | A(H1N1)pdm09a , c | – |
2010/11 | 2010w51 | 2011w07 | 9 | 2011w01 | 2.2 [2; 2.4] | 3491 [3231; 3751] | 490 | A(H1N1)pdm09, Ba , c | Victoria |
2011/12 | 2012w05 | 2012w12 | 8 | 2012w08 | 1.4 [1.3; 1.6] | 2276 [2060; 2492] | 452 | A(H3N2)a , c | – |
2012/13 | 2012w51 | 2013w11 | 13 | 2013w05 | 3.5 [3.3; 3.8] | 5531 [5124; 5938] | 770 | Ba , c | Yamagata |
2013/14 | 2014w05 | 2014w09 | 5 | 2014w07 | 0.8 [0.7; 0.9] | 1284 [1163; 1405] | 325 | A(H1N1)pdm09, A(H3N2)a | – |
2014/15 | 2015w03 | 2015w11 | 9 | 2015w06 | 2.8 [2.7; 3] | 4413 [4171; 4655] | 827 | A(H3N2)a | – |
2015/16 | 2016w04 | 2016w14 | 11 | 2016w11 | 2.3 [2.1; 2.4] | 3465 [3220; 3710] | 467 | Ba | Victoria |
2016/17 | 2016w50 | 2017w05 | 8 | 2017w03 | 1.8 [1.7; 1.9] | 2720 [2535; 2905] | 410 | A(H3N2)a | – |
Data source used for determination of virological dominance and co‐dominance by influenza epidemic in France:
French national public health agency.
Morbidity and Mortality Weekly Report (Centers for Disease Control and Prevention).
Mosnier et al.12