全国

quán guó whole nation; nationwide; countrywide; national

寄生虫

jì shēng chóng parasite; drone

感染率

gǎn rǎn lǜ rate of infection (usu. of a disease)

gǎn rǎn lǜ rate of infection (usu. of a disease)

排名

pái míng ranking; ordered list; to rank nth out of 100; to be placed; roll of honor

fanpianzicomqhlshtm