Plumbers never did flood out of Poland as some feared a few years ago, but the country is suffering a health sector brain-drain: One out of six Polish doctors works abroad.National authorities say around 20,000 medical practitioners have flowed elsewhere, about a third of them to other EU countries. That includes surgeons, dentists and accident specialists. Poor health-sector funding in Poland has provoked repeated strikes in recent years. The ‘Polish plumber’ became symbolic of migrant workers in the enlarged EU. But with the recession, job prospects for many have dried up.