1 Ultra-High-Yield Healthcare Stock to Buy Hand Over Fist and 1 to Avoid

Income investors have both good and not-so-good options in the healthcare sector.The healthcare sector isn't the first place income investors turn to find high dividend yields. Of the 11 S&P 500 sectors ranked based on average dividend yield, healthcare comes in eighth. Plenty of healthcare stocks, though, pay juicy dividends. Some are good picks, but others aren't. Here's one ultra-high-yield healthcare stock to buy hand over fist -- and one to avoid.Buy PfizerSome investors might think Pfizer (PFE -0.17%) ...