Influenza virus is an infectious agent belonging to the virus family Orthomyxoviridae that causes a respiratory tract infection (influenza or 'flu') in vertebrates. There are three main species ...
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Figure 1 The ventricular CNS barriers in health. Cerebrospinal fluid (CSF) and the brain parenchyma are separated from the systemic blood circulation by the blood-brain barrier (BBB) and blood-CSF ...