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March 2025 Newsletter: Essential information about Lyme disease – from diagnostics to interpretation of serological tests. Learn more about the two-tier testing strategy and diagnostic challenges in tick-borne diseases

The Institute of Virology reports on the significant increase in Norovirus infections in Austria in 2024 and an observed genotype shift. Learn more about viral gastroenteritis pathogens, diagnostic options, and our new real-time dashboard for monitoring virus activity.

Current information on human metapneumovirus (hMPV): The Institute of Virology provides information about this common respiratory pathogen, which accounted for more than 15% of diagnosed respiratory infections at the end of 2024. Learn more about transmission routes, risk groups, and recommended protective measures.

Important information about test conversions from 2025: Due to the EU Regulation on In-vitro Diagnostics (IVDR), several antibody tests are being converted to new ELISA procedures. Some tests must be removed from our service catalog. We increasingly recommend PCR direct detection methods for the diagnosis of respiratory and gastrointestinal infections.

Update on the current epidemiological situation of highly pathogenic avian influenza viruses (HPAIV) H5N1 and recommendations for diagnostic testing in patients with respiratory symptoms and possible exposure to avian influenza.

Human parainfluenza viruses (HPIV) are among the most common causes of severe respiratory infections in children. Our October 2024 newsletter provides information on the four HPIV types, their seasonal patterns, symptoms, and risk groups. Learn more about our daily multiplex PCR diagnostics and HPIV activity over the past 12 months.

The Institute of Virology Innsbruck now offers Mpox Clade Ib typing in addition to DNA detection. PCR laboratory testing is provided free of charge for cases with justified suspicion and official notification. Information on clinical and epidemiological criteria as well as sample submission.

The WHO reports a significant increase in global Dengue virus infections with 7.6 million cases by April 2024. Austria is also seeing a notable rise in numbers. The Institute of Virology provides information on risk areas, symptoms, diagnostics and new testing options, as well as vaccination recommendations for travelers.

The Institute of Virology has developed a new PCR test that can distinguish between wild-type measles virus and vaccine virus within one day. With 498 measles cases in Austria in the first half of 2024, this test enables rapid clarification of suspected cases and prevents unnecessary isolation measures in cases of vaccine reactions.

Important information on Tularemia diagnostics: The Institute of Virology announces the transition from agglutination testing to ELISA-based procedures due to IVDR requirements. The new diagnostics include IgM and IgG antibody determinations and is currently available as a private service.

86 measles cases have been recorded in Tyrol since the beginning of the year. A significant increase in parvovirus infections has been observed in parallel. PCR diagnostics are recommended to distinguish between the two types of exanthema. Norovirus and rhinovirus infections show a decrease, while Bordetella pertussis infections remain at high levels.

Spring brings increased tick activity. This newsletter highlights key facts about Borrelia and FSME serology, including diagnostic pitfalls, antibody dynamics, and vaccination recommendations.

Measles cases are rising in Tyrol, with around 40 confirmed infections reported in the last three weeks. PCR testing remains the most reliable diagnostic method. Vaccination offers 98% protection and is essential for herd immunity, yet Austria’s coverage is below WHO recommendations. Physicians are encouraged to review and complete vaccination records to curb the outbreak.