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. 2023 May 2;3:e34315. doi: 10.2196/34315

Table 1.

Queries used for scraping tweets from each country and number of tweets used after preprocessing.

Country Querya Tweets, n
United States (General keywords) OR (moderna OR pfizer OR biontech OR astrazeneca OR inovio OR novavax OR #pfizerbiontech) 1,121,216
United Kingdom (General keywords) OR (pfizer OR biontech OR oxfordvaccine OR astrazeneca OR moderna OR #pfizerbiontech) 432,271
India (General keywords) OR (covishield OR covaxin) 229,127
Australia (General keywords) OR (pfizer OR biontech OR oxfordvaccine OR astrazeneca OR moderna OR novavax OR #pfizerbiontech) 50,224
Brazil (General keywords) OR (coronavac OR Sinovac OR AstraZeneca OR Pfizer OR BioNTech OR #pfizerbiontech OR oxfordvaccine) 17,608

aGeneral keywords: (vaccine OR vaccination OR vaccinate OR covax OR #covidvaccine OR #coronavaccine OR #covidvaccination).