seems fine:

"Pfizer and BioNTech have decided to halt a large US trial of their updated COVID-19 vaccine in healthy adults aged 50 to 64, after failing to find enough people willing to take part in it"

https://firstwordpharma.com/story/7157141

#Covid19 #vaccines #CovidIsNotOver #Pfizer #BioNTech

@inquiline I'm a bit frustrated that they didn't ask, we would have signed up

did I miss an email or something

@sarae @inquiline I'm guessing they didn't really try very hard