WASHINGTON, Oct. 12—Swine flu vaccination programs in nine states and in Pittsburgh and its suburbs were suspended today, two weeks after they began nationally, after the deaths of three elderly persons who received the vaccine yesterday at a clinic in Pittsburgh. Federal and Pennsylvania health on cials said there was no evidence that the deaths had resulted from the vaccinations. But they also said that the highly unusual circumstances of three fatalities among the patients of one clinic in such a short time required investigation. All three patients are known to have had heart disease, health officials said. and autopsies...