Here are a few options for a WordPress post_tag description for “旅遊保健” (Travel Health) in Traditional Chinese, catering to different lengths and focuses:

**Option 1 (Concise & General):**

> 在旅行中保持健康的小貼士和資訊。包括疾病預防、急救指南和安全建議。

> *Translation:* Tips and information for staying healthy while traveling. Includes disease prevention, first aid guidance, and safety advice.

**Option 2 (Slightly More Detailed):**

> 關於旅途中健康的重要資訊。涵蓋疫苗接種、水土不服、旅行者腹瀉、緊急醫療應對等實用主題。讓您安心享受旅程！

> *Translation:* Important information regarding health during travel. Covers practical topics like vaccinations, acclimatization issues, traveler’s diarrhea, and emergency medical response. Allows you to enjoy your trip with peace of mind!

**Option 3 (Focus on Specific Concerns):**

> 專注於旅行期間的疾病預防、健康挑戰和應對策略。包括飲食安全、個人衛生、以及在不同目的地可能遇到的健康風險。

> *Translation:* Focuses on disease prevention, health challenges, and coping strategies during travel. Includes food safety, personal hygiene, and potential health risks in different destinations.

**Option 4 (Short & Action-Oriented):**

> 關於旅行健康的實用指南。學習如何保持健康、安全旅行，享受您的旅程！

> *Translation:* Practical guide to travel health. Learn how to stay healthy, travel safely, and enjoy your trip!

**Considerations for Choosing:**

* **Character Limit:** WordPress often has character limits for tag descriptions. Check the system’s limitations.
* **Target Audience:** Who are you writing for? Are they experienced travelers or first-timers? Tailor the language accordingly.
* **Post Content:** How does this tag relate to the content of your posts? Make the description relevant to what your posts are actually about.
* **SEO:** Consider keywords that people might search for when looking for travel health information. While it’s a tag, you still want it to be discoverable. In this case, you’re already using a very good keyphrase.

I would recommend choosing either Option 1 or Option 2 as they provide a good balance of conciseness and informative detail. Remember to choose the option that best reflects the overall content of posts tagged with “旅遊保健.”