Get your animals vaccinated against common core diseases like parvo/distemper to keep them healthy. Puppies especially need to begin their puppy shots when they are 6-8 weeks old, and are weaned.
Here is the most current version of The Parker Project schedule for the rest of 2021. They book up waaay ahead of time. TEXT the number ((480) 462-9290) at the top to reserve space. Do not call! In general, you will usually get a response midweek. Person doing the scheduling is often at other spay/neuter clinics on the weekend.