---
title: A vaccine shows the immune system a harmless piece or weak form of a… — The microscopic world: viruses and vaccines · tree and pragmatics
description: A vaccine shows the immune system a harmless piece or weak form of a germ, so the body learns to recognise it and fights it fast next time; when almost everyone in a place is vaccinated, the germ finds very few people to jump to and struggles to spread. Who acts: vaccine, body, germ. A sentence of t
---

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# The microscopic world: viruses and vaccines, sentence 8

<!-- .ven lang=en -->
A vaccine shows the immune system a harmless piece or weak form of a germ, so the body learns to recognise it and fights it fast next time; when almost everyone in a place is vaccinated, the germ finds very few people to jump to and struggles to spread.

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**Who acts:** vaccine, body, germ · **What happens:** show, learn, recognise, fight, vaccinate, find · **To what, where:** immune system, body, everyone, few people, germ

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This is a sentence of the lesson «The microscopic world: viruses and vaccines» of the biology course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (vaccine, body, germ), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:258-the-microscopic-world-viruses-and-vaccines.lesson:8
# text = A vaccine shows the immune system a harmless piece or weak form of a germ, so the body learns to recognise it and fights it fast next time; when almost everyone in a place is vaccinated, the germ finds very few people to jump to and struggles to spread.
# source = school lesson (ours)
# course = biology
# lesson = 258-the-microscopic-world-viruses-and-vaccines.lesson
# annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): no change
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	vaccine	vaccine	NOUN	NN	Number=Sing	3	nsubj	_	_
3	shows	show	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
5	immune	immune	NOUN	NN	Number=Sing	6	compound	_	_
6	system	system	NOUN	NN	Number=Sing	3	obj	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
8	harmless	harmless	ADJ	JJ	Degree=Pos	9	amod	_	_
9	piece	piece	NOUN	NN	Number=Sing	3	obj	_	_
10	or	or	CCONJ	CC	_	12	cc	_	_
11	weak	weak	ADJ	JJ	Degree=Pos	12	amod	_	_
12	form	form	NOUN	NN	Number=Sing	9	conj	_	_
13	of	of	ADP	IN	_	15	case	_	_
14	a	a	DET	DT	Definite=Ind|PronType=Art	15	det	_	_
15	germ	germ	NOUN	NN	Number=Sing	12	nmod	_	_
16	,	,	PUNCT	,	_	20	punct	_	_
17	so	so	ADV	RB	_	20	advmod	_	_
18	the	the	DET	DT	Definite=Def|PronType=Art	19	det	_	_
19	body	body	NOUN	NN	Number=Sing	20	nsubj	_	_
20	learns	learn	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	conj	_	_
21	to	to	PART	TO	_	22	mark	_	_
22	recognise	recognise	VERB	VB	VerbForm=Inf	20	xcomp	_	_
23	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	22	obj	_	_
24	and	and	CCONJ	CC	_	25	cc	_	_
25	fights	fight	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	conj	_	_
26	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	25	obj	_	_
27	fast	fast	ADV	RB	Degree=Pos	25	advmod	_	_
28	next	next	ADJ	JJ	Degree=Pos	29	amod	_	_
29	time	time	NOUN	NN	Number=Sing	25	obl:unmarked	_	_
30	;	;	PUNCT	:	_	38	punct	_	_
31	when	when	SCONJ	WRB	_	38	mark	_	_
32	almost	almost	ADV	RB	_	33	advmod	_	_
33	everyone	everyone	PRON	NN	Number=Sing|PronType=Tot	38	nsubj:pass	_	_
34	in	in	ADP	IN	_	36	case	_	_
35	a	a	DET	DT	Definite=Ind|PronType=Art	36	det	_	_
36	place	place	NOUN	NN	Number=Sing	33	nmod	_	_
37	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	38	aux:pass	_	_
38	vaccinated	vaccinate	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	42	advcl	_	_
39	,	,	PUNCT	,	_	42	punct	_	_
40	the	the	DET	DT	Definite=Def|PronType=Art	41	det	_	_
41	germ	germ	NOUN	NN	Number=Sing	42	nsubj	_	_
42	finds	find	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	conj	_	_
43	very	very	ADV	RB	_	44	advmod	_	_
44	few	few	ADJ	JJ	Degree=Pos	45	amod	_	_
45	people	people	NOUN	NNS	Number=Plur	42	obj	_	_
46	to	to	PART	TO	_	47	mark	_	_
47	jump	jump	VERB	VB	VerbForm=Inf	45	acl	_	_
48	to	to	ADP	IN	_	47	obl	_	_
49	and	and	CCONJ	CC	_	50	cc	_	_
50	struggles	struggle	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	47	conj	_	_
51	to	to	PART	TO	_	52	mark	_	_
52	spread	spread	VERB	VB	VerbForm=Inf	50	xcomp	_	_
53	.	.	PUNCT	.	_	3	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .note -->
No stored speech act for this sentence.

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **show** | present | a vaccine | the immune system |  |  |  |  | vn transfer\_mesg-37.1.1-1-1 «NP V NP-Dative NP»: agent=Agent system=Recipient piece=Topic |
| 2 | **learn** | present | the body |  |  |  |  |  | vn learn-14-2-1 «NP V that S»: agent=Agent clause=Topic |
| 3 | **recognise** | to-infinitive | the body *not said here* | body |  |  |  |  | vn comprehend-87.2-1 «NP V NP»: agent=Experiencer it=Stimulus |
| 4 | **fight** | present | a vaccine *not said here* | body |  |  | time | fast *property* | vn battle-36.4-1 «NP V NP»: agent=Agent it=Co-Agent |
| 5 | **vaccinate** | present · passive |  | everyone |  |  |  |  | tree rules |
| 6 | **find** | present | the germ | few people |  |  |  |  | vn discover-84 «NP V NP»: agent=Agent people=Topic |
| 7 | **jump** | to-infinitive | the germ *not said here* | few people *not said here* |  |  |  |  | vn run-51.3.2-2-1 «NP V»: agent=Theme |
| 8 | **struggle** | present | the germ *not said here* |  |  |  |  |  | tree rules |
| 9 | **spread** | to-infinitive | the germ *not said here* |  |  |  |  |  | vn appear-48.1.1 «NP V»: agent=Theme |
| 10 | **form** |  |  | a germ |  |  |  |  | nom form «communication transitive»: of=patient |

<!-- .note -->
One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.

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**Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)**, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, `mova-school-agreed-en.conllu`) is part. The lessons were written for Mova's primary school. Sentence `school:biology:258-the-microscopic-world-viruses-and-vaccines.lesson:8`.

**The tree:** Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): no change. **The frames** are read from the tree by Mova's frames reader (`prag`) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence.

See the [release 0.4](https://md.mova.elamur.ai/free/en/releases/0.4/).

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