HANOI, Vietnam—Vietnam has discovered a new coronavirus variant that’s a hybrid of strains first found in India and the UK, the Vietnamese health minister said Saturday. Nguyen Thanh Long said scientists examined the genetic makeup of the virus that had infected some recent patients, and found the new version of the virus. He said lab tests suggested it might spread more easily than other versions of the virus. Viruses often develop small genetic changes as they reproduce, and new variants of the coronavirus have been seen almost since it was first detected in China in late 2019. The World Health Organization has listed four global “variants of concern”—the two first found in the UK and India, plus ones identified in South Africa and Brazil. Long says the new variant could be responsible for a recent surge in Vietnam, which has spread to 30 of the country’s 63 municipalities and provinces. …