(Bloomberg) -- Nordea Bank Abp retracted a controversial research note where senior analysts referred to governments battling Covid-19 as “lockdownistas” and questioned the efficacy of the vaccines. The Nordic region’s biggest bank on Wednesday said it’s starting an investigation into a note, “Nordea weekly: Papers please, and how to trade them!” after taking it down from its website. The analysis, published on Sunday, caused a stir on Twitter after a member of the Finnish parliament, Mikko Karna, questioned its contents. “It used to be ‘two weeks to flatten the curve,’ but somehow it has developed to ‘imprison the unvaccinated (or...