least 140 and climbing. the nation's busiest transportation hub taking another hit. physician's assistant james kai said he got the virus after attending a medical conference near times square. he's 32, with no underlying conditions. >> they're surprised, it can come out that bad, so quickly. and i'm so young. i don't drink, i don't smoke. >> reporter: he says his health is deteriorating. he's hospitalized in new jersey. >> half of my lung is already pneumonia, not working. so i don't know how much longer i have. >> reporter: rick cotton, the executive director of the port authority, now the state's first public official to test positive. the agency saying he's "asymptomatic and has self-quarantined at his home." a 7-year-old girl in the bronx, also testing positive. the youngest known case in the u.s., said to be doing well with her family. but new york's most volatile