questions: asking about vaccination 
 answers: give 1. nd f1 vaccine ( 1 drop in one eye at the age of 5  - 7 days ) 2. nd r2b vaccine  (  give .5 ml s/c ly at the age of 1.5 months and has to repeat annualy ) 3. ibd plus vaccine ( give one drop in one eye at the age of 12th and 28 days )