The 2020 COVID-19 (coronavirus) pandemic produced some vaccine jokes. This was posted on Reddit—Dadjokes on January 2, 2021:
     
“My vaccine dad joke failed. But it was worth a shot.”
     
“I doubt vodka is the answer, but it’s worth a shot” is another “worth a shot” joke.
     
   
Wikipedia: COVID-19 pandemic
The COVID-19 pandemic, also known as the coronavirus pandemic, is an ongoing pandemic of coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), first identified in December 2019 in Wuhan, China. The outbreak was declared a Public Health Emergency of International Concern in January 2020 and a pandemic in March 2020.
 
Reddit—Dadjokes 
Posted by u/balogny January 2, 2021
My vaccine dad joke failed
But it was worth a shot
 
Twitter
Dad
@ImYourDad___
My vaccine dad joke failed
But it was worth a shot
4:22 PM · Jan 2, 2021·IFTTT
 
Twitter
James Ellars
@Ellars
My vaccine dad joke failed.
But it was worth a shot
7:42 PM · Jan 2, 2021·Twitter for Android
 
Twitter
James Billed cap
@__JRen
My vaccine joke failed.
But it was worth a shot
1:58 AM · Jan 3, 2021·Twitter for iPhone
 
Twitter
Nick Flor-ProfessorF
@ProfessorF
FFS, people have no sense of humor on Twitter. The other day I tried to tell a joke about the covid-19 vaccine — and it failed miserably.
But hey, it was worth a shot.
7:20 AM · Jan 3, 2021·TweetDeck
 
Twitter
Double Negative Ben
@APixelatedMind
My vaccine dad joke failed.
But it was worth a shot.
11:43 AM · Jan 3, 2021·Tweetbot for iΟS