NEW YORK — Two new presumed monkeypox cases have cropped up in New York City, the Health Department said Wednesday, bringing the city’s total count of possible cases of the rare virus to four. The city reported the new cases almost two weeks after word of an initial suspected monkeypox case reached the city. Monkeypox is a generally less-severe cousin of smallpox, but infections can be fatal. Spread of the virus had driven the national tally of infections to 18 by Tuesday, according to the Centers for Disease Control and Prevention. No known deaths from the disease have so far been logged duri…