At least for Australia, flour was already in unusually short supply prior to Coronavirus. Primarily due to drought. https://www.afr.com/companies/agriculture/d

At least for Australia, flour was already in unusually short supply prior to Coronavirus. Primarily due to drought. https://www.afr.com/companies/agriculture/drought-shrinks-grain-harvest-to-decade-lows-20191020-p532cr https://www.afr.com/companies/agriculture/drought-shrinks-gr...