This is my entry for the challenge proposed by @ felt.buzz, you must write a story with 240 characters or less. I encourage you to participate.
The researchers' efforts, now turn out to be useless, but there will always be the hope of obtaining a cure for the deadly virus, they will continue trying until they get a vaccine.
Don't give up save humanity.
It will always be appreciated.
.....
[screenshot @felixgarciap]
Waiting for your upvotes, comments and resteem
Sincerely
[Image original @felt.buzz]
Tag @lanzjoseg, @sacra97, @salvao