Did ya grow out yer gills yet?
Metamorph already! Clocks a tickin.
They should use DNA sequence as code with rolling cipher decode through altering the 3 letter codons every now and again. Without the key, the code would not be interpretable. And they could change from English to Latin to any other language that uses an alphabet and not characters for words.
Wut’s a DM?
“Things ain’t really changed round here for me wut with that whole virus quarantine nonsense.”
The only invisible enemy?
This doesn’t put 99% in the hospital. More to it I think.