The purpose of this study is to describe extra-pulmonary clinical manifestations of Influenza virus and Respiratory Syncitial Virus infections in hospitalized adults at a French university hospital.

Influenza virus and Respiratory Syncitial Virus (RSV) could be responsible for severe infections. Although flu was primarily considered as limited to the respiratory system, clinical reports suggest its association with organ involvement outside of the respiratory tract.

The aim of the study is to describe extra-pulmonary complications due to influenza virus and RSV in hospitalized patients from November 2018 to April 2019 and November 2019 to April 2020 in a French university hospital.

Inclusion Criteria:

• Hospitalized adults ≥18 years old
• Flu or RSV infection confirmed by multiplex qPCR on nasal swab
• Oral non-opposition

Exclusion Criteria:

• No health insurance
• Co-infection with viruses other than influenza or RSV

adults hospitalized with flu or RSV infections