In online news coverage, mentions of the word "vaccine" begin January 21, surge again starting February 24, again March 10 and again April 11.
On CNN, MSNBC and Fox News, mentions took off February 25 and have remained steady-state ever since.
In online news coverage, mentions of the word "vaccine" begin January 21, surge again starting February 24, again March 10 and again April 11.
On CNN, MSNBC and Fox News, mentions took off February 25 and have remained steady-state ever since.