Here are a few options for a WordPress post tag description with the title “自體免疫” (Zìtǐ miǎnyì – Autoimmunity) in Traditional Chinese, catering to different levels of detail and focus:

**Option 1: Concise and Informative**

* **Description:** 身體自身的免疫系統攻擊自身組織所引起的疾病。了解自體免疫疾病的成因、症狀與治療。 (Shēntǐ zìshēn de miǎnyì xìtǒng gōngjī zìshēn zǔzhī suǒ yǐnqǐ de jíbìng. Liǎojiě zìtǐ miǎnyì jíbìng de chéngyīn, zhèngzhuàng yǔ zhìliáo.)
* **Translation:** Diseases caused when the body’s own immune system attacks its own tissues. Learn about the causes, symptoms, and treatments of autoimmune diseases.

**Option 2: More Detailed and Educational**

* **Description:** 探討自體免疫疾病，即免疫系統誤將身體自身組織視為外來物而加以攻擊。包含多種疾病，如紅斑性狼瘡、類風濕性關節炎等。 深入了解病理機制、診斷方式以及最新的治療方案。 (Tàntǎo zìtǐ miǎnyì jíbìng, jí miǎnyì xìtǒng wù jiāng shēntǐ zìshēn zǔzhī shìwéi wàiláiwù ér jiāyǐ gōngjī. Bāohán duō zhǒng jíbìng, rú hóngbānxìng lángchuāng, lèi fēngshìxìng guānjiéyán děng. Shēnrù liǎojiě bìnglǐ jīzhì, zhěnduàn fāngshì yǐjí zuìxīn de zhìliáo fāngàn.)
* **Translation:** Exploring autoimmune diseases, where the immune system mistakenly identifies the body’s own tissues as foreign invaders. Includes various diseases such as lupus and rheumatoid arthritis. Deepen understanding of pathological mechanisms, diagnostic methods, and the latest treatment options.

**Option 3: Focus on Awareness and Understanding**

* **Description:** 自體免疫：探索人體抵禦疾病的過程中，為何免疫系統會失控，攻擊自身。 關注自體免疫疾病對健康和日常生活的影響，以及如何提高對此疾病的認識。(Zìtǐ miǎnyì: Tànsuǒ réntǐ dǐyù jíbìng de guòchéng zhōng, wèihé miǎnyì xìtǒng huì shīkòng, gōngjī zìshēn. Guānzhù zìtǐ miǎnyì jíbìng duì jiànkāng hé rìcháng shēnghuó de yǐngxiǎng, yǐjí rúhé tígāo duì cǐ jíbìng de rènshi.)
* **Translation:** Autoimmunity: Exploring why the immune system can become uncontrolled and attack the body itself during the process of defending against diseases. Focus on the impact of autoimmune diseases on health and daily life, and how to raise awareness of these diseases.

**Option 4: Simple and Direct**

* **Description:** 關於自體免疫疾病的文章索引。 (Guānyú zìtǐ miǎnyì jíbìng de wénzhāng suǒyǐn.)
* **Translation:** Index of articles about autoimmune diseases.

**How to choose:**

* **Audience:** Consider who is reading your blog. Are they medical professionals, patients, or the general public?
* **Blog Focus:** Does your blog offer in-depth medical information or general health advice?
* **Length:** Keep the description concise and easy to understand, especially for beginners. You can still provide more detailed information in the article itself.

I recommend choosing the option that best suits your blog’s overall style and target audience. Remember to translate the descriptions into Traditional Chinese characters (as I’ve done above) and input them into your WordPress tag settings. Good luck!