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Incidence, Clinical Manifestations and Characterization of Enterovirus in the Last Decade (2014-2023) in Asturias (Spain). Effect of the SARS-CoV-2 Pandemic

Abstract

Enteroviruses (EVs) are a large group of genotypes that cause a variety of pathologies, some of them very serious. This study analyzed the last 10 years (2014-2023) of EVs diagnosis and classification. In 166,674 samples collected, EVs were found in 9,535 (5.7%) by rt-RT-PCR, and 332 (3.5%) were classified by Sanger methods. Symptoms were analyzed in 7623 cases. EVs were found in 5718/63,829 (8.9%) before, 1384/42,373 (3.3%) during and 2433/60,472 (4%) after the Covid pandemic (p < 0.0001), and in 7249/69,700 (10.4%) children under 6 years and in 2286/96,974 (2.35%) in oldest (p < 0.0001). The positive rate of EVs was high but decreased during the Covid period. In the youngest children EVs-A (associated with exantematohous disorders as well as respiratory manifestations and febrile syndromes) was most common, while EVs-B (frequent in neurological symptoms) was most common in children aged 6-15 years and EVs-D (associated to respiratory manifestations) in adults.

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