Flu is an infectious respiratory illness caused by the influenza virus, of which there are three types (A, B and C) and various sub-types.  It is an illness that can present in a wide range of clinical forms: from asymptomatic infections to respiratory pictures that may undergo complications. The flu viruses circulate during the winter months in Spain, producing seasonal epidemics. The flu viruses that circulate each season do not have the same pathogenicity and different people's susceptibility to the viruses is not the same. The intensity of flu epidemics therefore changes year on year, both in terms of the number of people affected and with regard to the clinical picture of the infections. Anti-flu vaccination is the most effective primary prevention measure to prevent flu and its complications.

Grip a Vall Hebron
Authorship: Vall d'Hebron
Creation date: 17.12.2021, 10:03
Modification date: 05.01.2023, 11:01
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