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Table 1 Recommendations for seasonal influenza vaccination in Portugal, 1998/99 to 2010/11 seasons

From: Trends in influenza vaccination coverage in Portugal from 1998 to 2010: effect of major pandemic threats

Season Recommendation for seasonal influenza vaccination
1998/00 Not available
2001/02 Elderly
Individuals (>6 months) with chronic diseases and high-risk conditions
2002/03 Elderly
Individuals (>6 months) with chronic diseases and high-risk conditions
Healthcare workers
Contacts of persons at high risk
2003/04 Elderly
Residents of institutions for the elderly and the disabled
Individuals (>6 months) with chronic diseases and high-risk conditions, including pregnant women
Homeless
Healthcare workers
Contacts of persons at high risk
2004/05 Elderly
Residents of institutions for the elderly and the disabled
Individuals (>6 months) with chronic diseases and high-risk conditions, including pregnant women
Homeless
Healthcare workers
Contacts of persons at high risk
2005/06 Elderly
Residents of institutions for the elderly and the disabled
Individuals (>6 months) with chronic diseases and high-risk conditions, including pregnant women
Homeless
Healthcare workers
Contacts of persons at high risk
Women in the 2nd and 3rd trimester of pregnancy
Professionals that may be involved in culling poultry infected with influenza virus
2006/07 Elderly
Residents of institutions for the elderly and the disabled
Individuals (>6 months) with chronic diseases and high-risk conditions, including pregnant women
Healthcare workers
Contacts of persons at high risk
Women in the 2nd and 3rd trimester of pregnancy
Professionals that may be involved in culling poultry infected with influenza virus
2007/08 Elderly
Residents of institutions for the elderly and the disabled
Individuals (>6 months) with chronic diseases and high-risk conditions, including pregnant women
Healthcare workers
Contacts of persons at high risk
Women in the 2nd and 3rd trimester of pregnancy
Professionals that may be involved in culling poultry infected with avian influenza virus
2008/09 Elderly
Residents of institutions for the elderly and the disabled
Individuals (>6 months) with chronic diseases and high-risk conditions, including pregnant women
Healthcare workers
Contacts of persons at high risk
Women in the 2nd and 3rd trimester of pregnancy
Professionals that may be involved in culling poultry infected with avian influenza virus
2009/10* Elderly
Residents of institutions for the elderly and the disabled
Individuals (>6 months) with chronic diseases and high-risk conditions, including pregnant women
Healthcare workers
Contacts of persons at high risk
Women in the 2nd and 3rd trimester of pregnancy
2010/11 Elderly
Residents of institutions for the elderly and the disabled
Individuals (>6 months) with chronic diseases and high-risk conditions, including pregnant women
Healthcare workers
Contacts of persons at high risk
  Women in the 2nd and 3rd trimester of pregnancy
  1. Source: General-Directorate of Health, Recommendations for seasonal influenza vaccine, Information Guide, 2000 to 2010.
  2. *In 2009/10, a specific recommendation for vaccination against pandemic influenza virus A (H1N1) 2009 was also issued, and included the abovementioned groups (except elderly and residents of institutions) and also healthy children under 12 years old, caretakers of infants under 6 months old, and professionals performing core roles, according to priority groups.