Spanish authorities are investigating whether parties on the tourist island of Gran Canaria have been the source of several monkeypox infections, El País daily reported on Saturday, citing healthcare sector sources. Around 80,000 people from Spain and other countries attended the Maspalomas Gay Pride festival that took place on May 5-15, the newspaper wrote. Men from Madrid, Italy and the neighbouring island of Tenerife who have tested positive for the virus are said to have participated in the festival celebrations. Most monkeypox cases reported so far involve men who have had sexual contact …