Between 1969 and 1977, the Institute of Nutrition of Central America and Panama (INCAP) conducted a study of growth and development of children living in 4 villages in Guatemala.
All 95 bus terminals operated by the Guangzhou Transportation Station Management Center have only recommended wearing masks since April 14 in Guangzhou, Guangdong province.
In the worst single act of violence since the war began in Sudan 5 months ago, nearly 50 people have been killed when airstrikes hit a market in the south of Khartoum.