New research finds that flooding can affect food security for over 5.6 million people across several African nations. The work comes at a time when floods have also devastated Pakistan, India, and large parts of the European Union and the United States.New research finds that flooding can affect food security for over 5.6 million people across several African nations. The work comes at a time when floods have also devastated Pakistan, India, and large parts of the European Union and the United States.