I gave my dogs their first distemper/parvo shots

I gave my dogs their first distemper/parvo shot but I am not sure how long to wait before I give the other two. They are both over a year old and over 25lbs.
 
Thank you

Hi May,

Normally vaccines are given at 3 to 4 week intervals for puppies.

For older dogs that have already been vaccinated for puppies they just need a booster shot every 1 to 3 years.

If these dogs have not been vaccinated before, then booster them in a month.