No, the health form is good from between 365 days and 396 days depending upon when it was signed. If it was signed on the last day of the month, then it is only good for 365 days. If it was signed on the first day of the month then it is good for up to 396 days.
The health form is good until the end of the month, 12 months after it was signed. A form signed in July 2020 is good until July 31, 2021. If needed for camp in August 2021, a new form is required.