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. 2021 Sep 8;7(9):e31409. doi: 10.2196/31409

Table 3.

Counts and frequencies of positive and negative words in the crawled data.


Type Vaccine
Pfizer AstraZeneca
Word count (n=122) Frequency (n=885) Word count (n=89) Frequency (n=670) Word count (n=146) Frequency (n=3698)
Positive 47 (38.5) 387 (43.7) 37 (41.6) 194 (29.0) 43 (29.5) 1981 (53.6)
Negative 75 (61.5) 498 (56.3) 52 (58.4) 476 (71.0) 103 (70.5) 1717 (46.4)