Fig. 4From: Spatiotemporal patterns and environmental drivers of human echinococcoses over a twenty-year period in Ningxia Hui Autonomous Region, ChinaRaw standardised morbidity ratios for alveolar echinococcosis by township in NHAR for four different periods: a 1994–1998; b 1999–2003; c 2004–2008; d 2009–2013Back to article page