(2016·苏北四市摸底考试)
An oral drug,named ERDRP-0519,was invented.It is specifically designed to protect people who got infected measles(麻疹) from spreading the virus to others.Like the flu,measles spreads through the air by breathing,coughing or sneezing. There is typically a time,about two weeks,between becoming infected with the virus and the beginning of symptoms like skin rash(皮疹),runny nose,heavy cough and high fever.