North Korean leader Kim Jong-un has called for prevention efforts against the novel coronavirus and a typhoon, state news agency KCNA said on Tuesday.An enlarged meeting of the politburo of the Workers Party took place amid a pandemic that is putting additional pressure on the North Korean economy, battered by recent border closures and flood damage.The meeting assessed “some defects in the state emergency anti-epidemic work for checking the inroads of the malignant virus”, KCNA said in a…