To<br/>the above case, how to prevent the infection () A: keeping<br/>personal hygiene B: to prevent reinfection C: removing<br/>the worms by taking some medicine D: A,B,C

The basic features of infectious disease are A: There are infectivity, pathogen, epidemic, immunity. B: There are infectivity, patients, immunity, epidemic. C: There are source of infection, route of transmission, susceptibility, immunity. D: There are infectivity, epidemic, endemic, relapse. E: There are pathogen, reinfection, epidemic, immunity.