Korean pop music star Jaejoong is saving face after he pranked his adoring fans and the world with an April Fools’ Day gaffe by claiming he had contracted the novel coronavirus that has ravaged many nations’ populations and has sent government leaders scrambling to mitigate its spread. “I am also personally aware that it was something that shouldn’t be done,” the JYJ band member wrote in a lengthy Instagram caption on Wednesday to his nearly 2 million followers, according to the Korean pop news website Soompi, which posted an English translation.