New Delhi, June 16 -- Some of Cuba's sickest people are feeling the effects of the U.S. energy blockade, with surgeries delayed, kidney dialysis treatments disrupted and children with cancer facing a higher risk of death, according to a report published Monday by Cuban state-run media.

The survival rate for children with cancer has fallen to 65% from 85% before the energy restrictions began in January, according to the report released by Cubadebate. It also said 100,000 children younger than 7 are no longer receiving the daily liter of milk previously provided by the state and that the country's 16-vaccine immunization program for infants is "at risk."

Additionally, it said, another 100,000 Cubans are on waiting lists for surgery and th...