Labels:background | door | house | map | monitor | sky | traffic light | tree OCR: HELP The Causes of Disease You can become i wh body invaded by very small microbes called virus es or bacteria Quite olten the microbes are not in themselves "harmful .You get ill from the poisons the mi icrobes make as they reproduce and grow The next Page covers the main .ways in which diseases are 'spread. Dsease when your wiruses oiten
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