noun
health certificate
Official document certifying a person's health status, often required for travel, work, or school.
留学のため、健康証明書を提出しなければならない。
I have to submit a health certificate for studying abroad.
健康証明書は発行から3か月以内のものが必要です。
The health certificate must be issued within the last three months.
Compound of 健康 (health) + 証明書 (certificate).