By Joori Roh SEOUL (Reuters) – South Korea on Wednesday confirmed its first case of monkeypox virus and pledged to strengthen monitoring and response systems as it raised the alert level to “caution” for the infectious disease. A Korean citizen, who is receiving treatment at the Incheon Medical Center after showing symptoms while entering the country from Germany on Tuesday afternoon, has tested positive, the Korea Disease Control and Prevention Agency (KDCA) said. It did not provide details of the individual. The agency raised the alert level for the infectious disease to “caution”, the secon…