Volume 19, Number 6—June 2013
Research
Effect of Winter School Breaks on Influenza-like Illness, Argentina, 2005–2008
Roberto C. Garza
, Ricardo Basurto-Dávila, Ismael R. Ortega-Sanchez, Luis Oreste Carlino, Martin I. Meltzer, Rachel Albalak, Karina Balbuena, Pablo Orellano, Marc-Alain Widdowson, and Francisco Averhoff
, Ricardo Basurto-Dávila, Ismael R. Ortega-Sanchez, Luis Oreste Carlino, Martin I. Meltzer, Rachel Albalak, Karina Balbuena, Pablo Orellano, Marc-Alain Widdowson, and Francisco Averhoff
Table 1
Incidence of visits to a health care provider for influenza-like illness and timing of first week of winter school break in Argentina, by province, 2005–2008
| City or province | Region | 2001 Argentina population, no. (%) | Average weekly incidence (95% CI)* | Epidemiologic weeks of winter break† |
|||
|---|---|---|---|---|---|---|---|
| 2005 | 2006 | 2007 | 2008 | ||||
| Buenos Aires City |
Pampas |
2,776,138 (7.7) |
16 (0.63–75.64) |
28–29 |
28–29 |
30–31 |
31–32 |
| Province | |||||||
| Buenos Aires | Pampas | 13,827,203 (38.1) | 43 (3.63–149.38) | 28–29 | 29–30 | 30–31 | 31–32 |
| Catamarca | Northwest | 334,568 (0.9) | 113 (14.47–299.56) | 28–29 | 29–30 | 29–30 | 29–30 |
| Cordoba | Pampas | 3,066,801 (2.7) | 56 (5.83–184.77) | 28–29 | 29–30 | 28–29 | 28–29 |
| Corrientes | Mesopotamia | 930,991 (1.1) | 59 (7.81–199.56) | 28–29 | 29–30 | 28–29 | 29–30 |
| Chaco | Gran Chaco | 984,446 (8.5) | 143 (36.75–401.55) | 29–30 | 29–30 | 29–30 | 30–31 |
| Chubut | Patagonia | 413,237 (2.6) | 100 (22.93–244.67) | 28–29 | 29–30 | 28–29 | 28–29 |
| Entre Rios | Mesopotamia | 1,158,147 (3.2) | 113 (19.09–341.92) | 28–29 | 29–30 | 28–29 | 29–30 |
| Formosa | Gran Chaco | 486,559 (1.3) | 122 (24.31–411.54) | 28–29 | 29–30 | 28–29 | 29–30 |
| Jujuy | Northwest | 611,888 (1.7) | 127 (33.03–325.24) | 28–29 | 28–29 | 29–30 | 29–30 |
| La Pampa | Pampas | 299,294 (0.8) | 84 (0–263.86) | 28–29 | 28–29 | 28–29 | 29–30 |
| La Rioja | Northwest | 289,983 (0.8) | 11 (0–38.81) | 28–29 | 29–30 | 28–29 | 29–30 |
| Mendoza | Cuyo | 1,579,651 (4.4) | 57 (0.35–171.09) | 28–29 | 29–30 | 28–29 | 29–30 |
| Misiones | Mesopotamia | 965,522 (2.7) | 169 (28.49–604.50) | 29–30 | 29–30 | 28–29 | 29–30 |
| Neuquen | Patagonia | 474,155 (1.3) | 78 (9.55–233.61) | 29–30 | 29–30 | 29–30 | 29–30 |
| Rio Negro | Patagonia | 552,822 (1.5) | 57 (10.40–149.10) | 30–31 | 29–30 | 29–30 | 29–30 |
| Salta | Northwest | 1,079,051 (3.0) | 158 (58.76–333.69) | 28–29 | 29–30 | 28–29 | 29–30 |
| San Juan | Cuyo | 620,023 (1.7) | 36 (2.66–107.17) | 28–29 | 28–29 | 28–29 | 29–30 |
| San Luis | Cuyo | 367,933 (1.0) | 75 (9.37–217.36) | 28–29 | 28–29 | 28–29 | 29–30 |
| Santa Cruz | Patagonia | 196,958 (0.5) | 58 (9.48–138.03) | 29–31 | 28–29 | 28–29 | 29–30 |
| Santa Fe | Pampas | 3,000,701 (8.3) | 38 (2.59–141.07) | 28–29 | 29–30 | 28–29 | 29–30 |
| Santiago del Estero | Gran Chaco | 804,457 (2.2) | 90 (15.83–278.47) | 29–30 | 29–30 | 29–30 | 29–30 |
| Tucuman | Northwest | 1,338,523 (3.7) | 102 (11.39–296.37) | 28–29 | 29–30 | 28–29 | 29–30 |
| Tierra del Fuego | Patagonia | 101,079 (0.3) | 83 (0–223.01) | 29–30 | 29–30 | 29–30 | 29–30 |
| All Argentina | Not applicable | 36,260,130 | 63 (11.68–200.37) | Not applicable | |||
*Visits/100,000 population.
†For reference, epidemiologic week 28 is typically in mid-July.
Page created: May 20, 2013
Page updated: May 20, 2013
Page reviewed: May 20, 2013
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.