Correct Answer: (a) Lee Jong Wook
Solution:The World Health Organization was established on 7th April 1948. Its headquarter in Geneva, Switzerland. In July 2003, Dr. Lee Jong Wook became its director-general, who died on 22nd May 2006, during his tenure. At present the Director-General of WHO is Dr. Tredos Adhanom Ghebreyesus of Ethiopia (July 2017) & his tenure is for 5 years. Later, he was re-appointed on May 24, 2022.