2147
Attention everyone - do n’t fly {{USERNAME}} {@Delta@} … apparently my friend told me the flight company they have their own variant of covid they are manufacturing and spreading called the Delta variant - stay safe # how us non vaccinated folks role !
 Delta
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: group, creative work, person, event, product, location, corporation 
Text: {0} 
Answer:
 Delta