Abbott Laboratories ($ABT) made a bid to acquire Russian vaccine outfit Petrovax, but the country's Federal Anti-Monopoly Service scuttled its plan, Reuters reports. The rebuff comes as Abbott is rumored to be eyeing a buyout of Brazil's Aché Laboratorios Farmaceuticos, worth up to $5 billion. The company has focused on medical devices, diagnostics, nutrition and generics since its Jan. 1 spinoff of proprietary pharma, but it may be eyeing entré into the emerging markets drug business. Article | More from FiercePharma