Background Mainland China. the world’s most populous region. experienced a large-scale coronavirus disease 2019 (COVID-19) outbreak in 2020 and 2021. respectively. https://balboasurfandsstylers.shop/product-category/boys-hat/
Using search trends to analyze web-based users’ behavior profiles connected with COVID-19 in mainland China: infodemiology study based on hot words and Baidu Index
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