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. 2021 Sep 15;62(3):E586–E591. doi: 10.15167/2421-4248/jpmh2021.62.3.1704

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Fig. 1. — Google Trends curve as RSVs (Relative Search Volumes) for symptoms of Flu and Flu vs epidemiological cases of Flu in Italy at Lag 0. 2015-2019 period.