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Staffan P E Sylvan
Uppsala University Hospital, Sweden
Posters & Accepted Abstracts: Virol Mycol
The aim of this study was to compare the impact of the pandemic influenza strain A(H1N1)pdm09 on the need for hospital care, intensive care and mortality in three countries in the southern hemisphere where no vaccination was implemented with the results obtained in Uppsala county, Sweden where vaccination with the pandemic vaccine Pandemrix was started two weeks before the beginning of the outbreak. In Sweden pandemic influenza A(H1N1)pdm09 was notifiable from the microbiology departments. Notification from the clinicians was required for patients treated in the hospitals. Data on mortality was extracted from the patientsâ�?�? electronic journal systems. The data from the three southern hemisphere countries was obtained from a data analysis made by the Swedish Institute for communicable disease control and prevention and was distributed on August 17th 2009 to all hospitals and county medical officers in Sweden. The 2009 A(H1N1) influenza pandemic resulted in a lower need for hospital care in two out of three countries from the southern hemisphere compared with Uppsala county. In contrast, the need for intensive care and the mortality rate in the three countries where no vaccination was performed was similar to those of Uppsala County, where 62% of the population had been vaccinated by January 2010. No clear benefit could be registered on the need for hospital care, intensive care and mortality of the mass vaccination campaign implemented in Uppsala County. This is probably due to the late onset of the vaccination campaign. After the vaccination campaign 15 new cases of narcolepsy was diagnosed.
Staffan P E Sylvan is a Senior Expert in infectious diseases and communicable disease control and prevention. He has been the Medical Officer for Uppsala County, Sweden. He was the Director of the Local Department of Communicable Disease Control and Prevention and was very active in undertaking campaigns concerning the containment of the spread of communicable diseases such as pandemic influenza, Chlamydia, HIV and hepatitis A, B and C. He has a long standing research career particularly in the area of hepatitis immunology. He has published more than 65 papers in reputed journals.