Gates is co-author, with Chuck Collins, of the book Wealth and Our Commonwealth: Why America Should Tax Accumulated Fortunes, a defense of the policies promoted by the estate tax. He married Mary Maxwell Gates, whom he met at UW, and who died in 1994. They had three children: Kristianne, Bill, and Libby.
Symptoms of heartworm disease may include loss of appetite, lethargy, exercise intolerance, weight loss, fever, dyspnea (difficult, labored breathing, shortness of breath), coughing, weakness, dull dry coat, and hemorrhage. There are no symptoms at all until the disease is advanced.
Stage 4. Dogs in stage four of the disease have very visible heartworm symptoms, which are accompanied by long-term implications for the dogâs health. As in other stages, dogs will be reluctant to exercise, tired after exercising, and will exhibit a cough. Dogs will probably experience trouble breathing as well.