Here are a few options for a WordPress post tag description, “空氣傳染” in Traditional Chinese, catering to different purposes:

**Option 1: Concise and Clear**

* **Description:** 指空氣中傳播的傳染病，如病毒、細菌等。 (Indicates infectious diseases transmitted through the air, such as viruses, bacteria, etc.)

* **Why it’s good:** Direct, easy to understand, and relevant to the title.

**Option 2: Emphasizing a Broader Context**

* **Description:** 探討透過空氣傳播的疾病與相關議題，包括傳播途徑、預防方法、與應對措施。(Explores diseases transmitted through the air and related issues, including transmission routes, prevention methods, and response measures.)

* **Why it’s good:** Encourages a wider range of content encompassing prevention, treatment, and response.

**Option 3: Action-Oriented and Educational**

* **Description:** 了解空氣傳染的知識，學習如何保護自己與他人的健康。 (Learn about airborne infections and learn how to protect your own and others’ health.)

* **Why it’s good:** Focuses on action and user benefits.

**Option 4: Focusing on Specific Diseases (Optional, if your blog covers specific diseases)**

* **Description:** 討論經空氣傳染的疾病，例如流感、COVID-19、麻疹等。 (Discusses diseases transmitted through the air, such as influenza, COVID-19, measles, etc.)

* **Why it’s good:** Provides more specific context by naming example diseases. (Use this one if you are focusing on specific illnesses being discussed.)

**Key Considerations when Choosing:**

* **Your Blog’s Focus:** What topics do you usually cover? Choose a description that aligns with your blog’s content.
* **Target Audience:** Who are you trying to reach? Make sure the description is easy to understand for them.
* **Keyword Relevance:** While not the primary focus, the description should naturally include relevant keywords.

**How to Add the Description in WordPress:**

1. **Go to Posts > Tags** (in the WordPress admin panel).
2. **Click “Edit”** on the “空氣傳染” tag (or create a new tag).
3. **Look for the “Description” field.** If you don’t see the description field, check your “Screen Options” (at the top-right of the page) and make sure “Description” is checked.
4. **Paste your chosen description** into the “Description” field.
5. **Save your changes.**

Choose the description that best suits your needs and blog content! Good luck!