“Why couldn’t Covid get a drink at the bar?”/“Because Covid 19.”

A Covid-19 riddle is:
   
Q: Why couldn’t Covid get a drink at the bar?
A: Because Covid 19.
   
That is, Covid-19 is under (age) 21. The joke was posted on Twitter by Biggie Longs on September 5, 2020.
 
 
Wikipedia: 2019-20 coronavirus outbreak
The 2019–20 coronavirus pandemic is an ongoing global pandemic of coronavirus disease 2019 (COVID-19), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The outbreak was first identified in Wuhan, Hubei, China, in December 2019, and was recognised as a pandemic by the World Health Organization (WHO) on 11 March 2020.
     
Twitter 
Biggie Longs
@ShawnTheDon8
Aye Twitter why couldn’t Covid get a drink at the Bar?
Because Covid 19…
GIF
1:29 PM · Sep 5, 2020·Twitter for Android
   
Twitter
The#1 dad bod
@tonydawes01
Why couldn’t covid get a drink at the bar?
Because Covid 19
3:45 PM · Sep 5, 2020·Twitter for Android
   
Twitter
IG: Rickyt0rch ☇☀
@Ask_Ricky
Why couldn’t covid get a drink at the bar…..... because covid-19
10:14 PM · Sep 5, 2020·Twitter for Android
   
Reddit—Jokes
Posted by u/Natogaming September 10, 2020
Why couldn’t Covid get a drink at the bar?
Because Covid was 19
 
Twitter
KELSEY MICHALAK
@kelsm_
Why couldn’t Covid get a drink at the bar??
Because Covid 19.
10:14 PM · Sep 14, 2020·Twitter for iPhone
 
Reddit—Dadjokes
Posted by u/Oldebeard September 15, 2020
Why did Covid not get a beer at the bar?
Because Covid 19.