Aid is coming from more than a dozen countries and many charities, but Lila Mani Poudyal, the government's chief secretary and the rescue coordinator, said Nepal needed more. He said the recovery was also being slowed because many workers - water tanker drivers, electricity company employees and labourers needed to clear debris - "are all gone to their families and staying with them, refusing to work. We are appealing for tents, dry goods, blankets, mattresses, and 80 different medicines that the health department is seeking that we desperately need now," Poudyal told reporters. "We don't have the helicopters that we need or the expertise to rescue the people trapped.