On 30 June 2021, the World Health Organization announced that _____ had been certified malaria-free.
Q1. On 30 June 2021, the World Health Organization announced that _____ had been certified malaria-free.
Answer: China
Explanation: On June 30, 2021, WHO certified China malaria-free after the country recorded zero indigenous malaria cases for four consecutive years, a result of a 70-year national elimination program.