Here are a few options for a WordPress post_tag description, catering to different nuances of what “傳染力” (Chuan2 ran3 li4) – **Infectivity** – might relate to, along with their pros and cons:

**Option 1: Concise and General (Good default)**

* **Description:** 探討資訊、疾病或其他事物在群體中擴散的速度及影響。 (Tàn tǎo zī xùn, jí bìng huò qī tā shì wù zài qún tǐ zhōng kuò sàn de sù dù jí yǐng xiǎng.)
* **Translation:** Exploring the rate and impact of the spread of information, diseases, or other things within a group.
* **Pros:** Clear, covers a broad understanding of infectivity. Easy to understand and applies to many different contexts. Suitable for most general posts.
* **Cons:** Doesn’t emphasize a specific type of infectivity.

**Option 2: Focused on Diseases**

* **Description:** 關於疾病的傳播特性，包括病毒、細菌等病原體的感染能力與蔓延速度。 (Guān yú jí bìng de chuán bō tè xìng, bāo kuò bìng dú, xì jūn děng bìng yuán tǐ de gǎn rǎn néng lì yǔ màn yán sù dù.)
* **Translation:** Concerning the transmission characteristics of diseases, including the infectivity and spread rate of pathogens like viruses and bacteria.
* **Pros:** Specifically for posts relating to disease-related concepts, helpful for filtering.
* **Cons:** Less useful for posts that may discuss other types of infectivity (like the spread of trends or ideas).

**Option 3: Focused on Virality of Info (Social Media/Marketing)**

* **Description:** 探討網路資訊、行銷內容如何在社群媒體快速傳播、引發關注的程度。 (Tàn tǎo wǎng lù zī xùn, xíng xiāo nèi róng rú hé zài shè qún méi tǐ kuài sù chuán bō, yǐn fā guān zhù de chéng dù.)
* **Translation:** Exploring how online information and marketing content rapidly spreads on social media and generates interest.
* **Pros:** Relevant if your content is focused on digital marketing or social awareness.
* **Cons:** Not relevant to all uses of “傳染力”, limits the type of posts it’ll work well on.

**Option 4: More Metaphorical/Broad (General/Less Formal)**

* **Description:** 描述事物如病毒般擴散，影響範圍，或其引起關注的能力. (Miáo shù shì wù rú bìng dú bān kuò sàn, yǐng xiǎng fàn wéi, huò qí yǐn qǐ guān zhù de néng lì.)
* **Translation:** Describing how something spreads like a virus, its scope of influence, or its ability to attract attention.
* **Pros:** More poetic, flexible approach.
* **Cons:** A little less clear, and could be misinterpreted if users expect it to be purely scientific.

**Which to Choose?**

* **If in doubt, choose Option 1 (Concise and General).** It’s the most versatile.
* If your blog *primarily* deals with medical/health topics, **Option 2** is the best fit.
* If you mainly cover digital marketing, social media, or the spread of trends, then **Option 3** is a better fit.
* Only go for **Option 4** if your blog uses a metaphorical and broader writing style.

**How to Add the Description in WordPress**

1. Go to **Posts** -> **Tags**.
2. Find the tag “傳染力” and click **Edit**.
3. In the “Description” box, paste your chosen description from above. (Ensure your WordPress theme supports tag descriptions.)
4. Click **Update**.

Remember to save the description after pasting your choice!