---
title: COVID and staying home — a lesson of Mova's school · trees and pragmatics
description: «COVID and staying home», a lesson of the medicine course of Mova's primary school, sentence by sentence with dependency trees and pragmatics. It begins: In 2020 it spread across the whole world because nobody's body knew it yet: that is what a pandemic means.
---

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# COVID and staying home

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Lesson 12 of the medicine course of Mova's primary school: 14 sentences, each with its syntax tree and pragmatics. The lessons are written for Mova, and their agreed trees are part of Mova corpus 0.4 (CC BY-SA 4.0). How Mova does on its tests: [the lesson at school](https://md.mova.elamur.ai/free/en/school-run/medicine/12-covid-and-staying-home/).

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- [1](https://md.mova.elamur.ai/free/en/corpora/school/medicine/12-covid-and-staying-home/1/) — In 2020 it spread across the whole world because nobody's body knew it yet: that is what a pandemic means.
- [2](https://md.mova.elamur.ai/free/en/corpora/school/medicine/12-covid-and-staying-home/2/) — People wore masks, kept apart and stayed home to slow it down until vaccines arrived, built on decades of earlier research and tested on tens of thousands of people.
- [3](https://md.mova.elamur.ai/free/en/corpora/school/medicine/12-covid-and-staying-home/3/) — Older people and those with other illnesses are more likely to get seriously ill, which is why we wash and gel our hands even when we feel fine.
- [4](https://md.mova.elamur.ai/free/en/corpora/school/medicine/12-covid-and-staying-home/4/) — A cold, flu and COVID can look alike; only a test can tell them apart.
- [5](https://md.mova.elamur.ai/free/en/corpora/school/medicine/12-covid-and-staying-home/5/) — COVID-19 is caused by the SARS-CoV-2 coronavirus, first found in 2019, which is where the 19 comes from, and in most children it is mild.
- [6](https://md.mova.elamur.ai/free/en/corpora/school/medicine/12-covid-and-staying-home/6/) — UK advice now is that children with mild symptoms can go to school if they have no fever and feel well enough; people who test positive are advised to stay home for a few days.
- [7](https://md.mova.elamur.ai/free/en/corpora/school/medicine/12-covid-and-staying-home/7/) — Older people and people with other health conditions are more likely to get seriously ill with COVID, partly because the body's defences work less well in old age; if a relative gets ill, it is not a child's fault.
- [8](https://md.mova.elamur.ai/free/en/corpora/school/medicine/12-covid-and-staying-home/8/) — Masks catch some of the droplets that carry viruses and do not stop you getting enough oxygen.
- [9](https://md.mova.elamur.ai/free/en/corpora/school/medicine/12-covid-and-staying-home/9/) — In 2020 and 2021 governments asked people to wear masks, keep apart and stay home to slow the spread before there were vaccines.
- [10](https://md.mova.elamur.ai/free/en/corpora/school/medicine/12-covid-and-staying-home/10/) — COVID can damage the smell-sensing cells in the nose; smell usually returns within weeks, but for some it takes months; losing smell does not mean you are seriously ill.
- [11](https://md.mova.elamur.ai/free/en/corpora/school/medicine/12-covid-and-staying-home/11/) — A lateral flow test looks for virus proteins in a nose or throat sample; a positive result is usually right, but a negative one can miss an early infection; the swab only goes a little way in and cannot touch the brain.
- [12](https://md.mova.elamur.ai/free/en/corpora/school/medicine/12-covid-and-staying-home/12/) — A pandemic is a new disease spreading across many countries because nobody has immunity yet.
- [14](https://md.mova.elamur.ai/free/en/corpora/school/medicine/12-covid-and-staying-home/14/) — Some people have tiredness, breathlessness or brain fog for months after COVID, called long COVID; doctors are still studying why.
- [15](https://md.mova.elamur.ai/free/en/corpora/school/medicine/12-covid-and-staying-home/15/) — Hand gel with alcohol kills many germs, but not all, such as norovirus; soap and water is better after the toilet or when hands are dirty.

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