I recently came across two tweets that caught my eye. Here is the first one from the CDC director:
![Twitter avatar for @CDCDirector](https://substackcdn.com/image/twitter_name/w_96/CDCDirector.jpg)
Masks can help reduce your chance of #COVID19 infection by more than 80%.
Masks also help protect from other illnesses like common cold and flu. Wearing a mask- along w/ getting vaccinated- are important steps to stay healthy. #WeCanDoThis @HHSGov vaccines.gov
And here is the second one, from a couple months back:
![Twitter avatar for @APFactCheck](https://substackcdn.com/image/twitter_name/w_96/APFactCheck.jpg)
Posts continue to circulate online falsely claiming that COVID-19 survivors don’t need vaccines because of natural immunity. In fact, that protection is variable and not long-lasting, so vaccines are still recommended. Here’s our recent look at this claim.
![](https://substackcdn.com/image/fetch/w_600,h_314,c_fill,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fbucketeer-e05bbc84-baa3-437e-9518-adb32be77984.s3.amazonaws.com%2Fpublic%2Fimages%2Fd1d4acc5-b5c5-4695-8b4b-0de93df7b703_700x450.png)
Together they got me thinking. What do they have in common? What do they tell us about the state of the public communication of science?
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