ISMP has reported multiple mix-ups between the flu vaccine and COVID-19 vaccines since the former became available in September. All the mishaps happened in community and ambulatory care pharmacies, according to ISMP.

Pfizer announced a voluntary recall of another 4 lots of varenicline (Chantix) 0.5 mg/1 mg tablets to the consumer level due to the presence of a nitrosamine, N-nitroso-varenicline, above the established acceptable daily intake level.