Volume 10, Number 1—January 2004
Research
Influenza Epidemics in the United States, France, and Australia, 1972–19971
Table
Number of pneumonia and influenza excess deaths and duration of influenza epidemics for each influenza year in the United States, France, and Australia, 1972–1997
Influenza season (Northern Hemisphere) a | U.S. excess deaths (wk)b | France excess deaths (wk)c | Influenza season (Southern Hemisphere) d | Australian excess deaths (wk)e |
---|---|---|---|---|
1971-72 | 8,100 (9) | 4,200 (13) | 1972 | 200 (11) |
1972-73 | 11,000 (13) | 9,500 (13) | 1973 | 250 (10) |
1973-74 | 4,100 (15) | 0 (0) | 1974 | 150 (6) |
1974-75 | 9,000 (13) | 7,000 (16) | 1975 | 900 (14) |
1975-76 | 13,600 (13) | 4,800 (12) | 1976 | 0 (0) |
1976-77 | 600 (3) | 1,400 (9) | 1977 | 1,000 (16) |
1977-78 | 10,000 (13) | 2,500 (8) | 1978 | 200 (8) |
1978-79 | 0 (0) | 300 (4) | 1979 | 100 (7) |
1979-80 | 4,200 (9) | 0 (0) | 1980 | 250 (13) |
1980-81 | 8,600 (10) | 3,100 (11) | 1981 | 200 (9) |
1981-82 | 0 (0) | 0 (0) | 1982 | 0 (0) |
1982-83 | 1,400 (5) | 1,800 (10) | 1983 | 700 (15) |
1983-84 | 700 (4) | 0 (0) | 1984 | 250 (12) |
1984-85 | 7,000 (11) | 2,300 (15) | 1985 | 150 (8) |
1985-86 | 6,000 (13) | 4,700 (18) | 1986 | 650 (15) |
1986-87 | 2,000 (7) | 900 (9) | 1987 | 0 (0) |
1987-88 | 8,700 (18) | 700 (8) | 1988 | 100 (7) |
1988-89 | 7,000 (16) | 1,000 (9) | 1989 | 200 (9) |
1989-90 | 10,400 (14) | 4,300 (11) | 1990 | 750 (17) |
1990-91 | 3,300 (12) | 1,000 (10) | 1991 | 100 (6) |
1991-92 | 6,800 (10) | 2,900 (16) | 1992 | 50 (3) |
1992-93 | 6,300 (16) | 2,100 (16) | 1993 | 300 (14) |
1993-94 | 9,800 (11) | 2,600 (11) | 1994 | 50 (3) |
1994-95 | 5,300 (15) | 900 (10) | 1995 | 300 (10) |
1995-96 | 6,300 (16) | 2,500 (17) | 1996 | 100 (5) |
1996-97 | 11,400 (18) | 4,500 (13) | 1997 | 250 (10) |
aExcess deaths reported from August of a given year to July of the next year during an influenza epidemic (e.g., for row labeled 1971-72, excess deaths occurring from August 1971 to July 1972). bPopulation, 272.7 million. cPopulation, 58.6 million. dExcess deaths reported from January to December of a given year during an influenza epidemic (e.g., for row labeled 1972, excess deaths occurring from January 1972 to December 1972). ePopulation, 18.9 million. |
1 This paper was presented at the Emerging Infectious Diseases conference held March 24–27, 2002, in Atlanta, Georgia, USA.