Conjunctivitis is a common and uncomfortable eye condition that can be caused by infections, allergies or irritants. The conjunctiva is thin clear tissue covering the front of the eye. One or both eyes may be affected, and the condition can spread from one to the other.
I'm assuming that by America you mean The United States. There's no country called America. Even when excluding Taiwan and other disputed territories, China is larger than the United States, both in terms of land area, and in terms of land area including inland waterbodies. By land area only: China: 9,326,410 sq km. United States: 9,161,966 sq km, 1.8% smaller than China.
Faster-growing China would pass the United States in purchasing power terms this year, though it still would be about 60% the size of the U.S. economy at market exchange rates. China's National Bureau of Statistics, which took part in the study, rejected its conclusion, according to the World Bank report.