World Hong Kong Suspends Pfizer-BioNTech Vaccine Use Over Packaging Defects March 24, 2021March 24, 2021Sui-Lee Wee, Alexandra Stevenson and Tiffany MayComments Off on Hong Kong Suspends Pfizer-BioNTech Vaccine Use Over Packaging Defects Officials said they had found no health risks, but the move deals a blow to the Chinese city’s already troubled inoculation campaign.