PESHAWAR, Pakistan — Pakistan’s health ministry has confirmed at least one case of the mpox virus in a patient who had returned from a Gulf country, it said on Friday, as provincial health authorities reported they had detected three cases. A health ministry spokesperson said the sequencing of the confirmed case was under way, and that it would not be clear which variant of mpox the patient had until the process was complete. A new form of the virus has triggered global concern because it seems to spread more easily though routine close contact. Earlier on Friday, the health department in northern Khyber Pakhtunkhwa province said three cases had been detected in patients on arrival from the United Arab Emirates. It was not clear whether the patient confirmed by the central health ministry was among the three. The World Health Organization has declared the recent outbreak of the disease as a …