刚才看了一下这两篇文章,总结为两点原因:The use of community mitigation measures for the COVID-19 pandemic, plus influenza vaccination, are likely to be effective in reducing the incidence and impact of influenza, and some of these mitigation measures could have a role in preventing influenza in future seasons.
新冠疫情采取的防控措施,以及流感疫苗的接种。