Penicillin is the most common cause of drug induced anaphylaxis and medication allergy. About 75% of all anaphylactic deaths are caused by penicillin, estimated at about 500–1000 deaths per year. Penicillin can cause any of the four types of hypersensitivity reactions.

NIH 文献 https://pubmed.ncbi.nlm.nih.gov/1576461/

中国皮试是对老百姓生命负责。结果成了攻击中国医疗落后的借口。