As jabs drew near, talk of vaccines peaked

Mentions of topic keywords per 1,000 words, BBC Question Time programmes broadcast between 17 September and 10 December 2020 (four-week rolling average)

Keywords in each topic are: Restrictions and furlough (distancing, furlough, guidance, guidelines, lockdown, restrictions, self-employed, workers); Vaccines (AstraZeneca, Oxford, Pfizer, Pfizer-BioNTech, vaccine, vaccination). Plurals and other verb tenses also included.

Source: Box of Broadcasts (BoB) transcripts, Learning on Screen Get the data