Figure 1.
Distribution of the number of tweets by month comprising at least one of the terms “flu,” “vaccination,” “vaccine,” “vaxx,” and “covid” between December 30, 2019, and April 30, 2021.
Distribution of the number of tweets by month comprising at least one of the terms “flu,” “vaccination,” “vaccine,” “vaxx,” and “covid” between December 30, 2019, and April 30, 2021.