VIJAYAWADA: With heavy rainfall and floods in Godavari and Krishna rivers in recent days, the inhabitants of several low-lying areas in eight districts are vulnerable to water-borne diseases like gastroenteritis, typhoid, hepatitis-B etc due to lack of access to safe potable water. Health experts say that with floodwater inundating the low-lying areas mainly in agency areas like Kukkunuru and Velerupadu …