1.   Epidemiologic evidence showing that human papillomavirus infection causes most cervical intraepithelial neoplasia.

2.   In fact, an ear infection alone can cause sudden severe pain as fluid builds up in the middle ear.

3.   Strangles is an acute disease caused by infection with a bacteria called Streptococcus Equi.

4.   The infection can cause severe pain.

5.   This is just as well because trichomonal infection causes changes in the cells of the cervix which mimic those that precede cancerous changes.

6.   This protozoal gut infection often causes diarrhoea.

7.   Hepatitis B infection causes up to two million deaths a year worldwide.

8.   H pylori infection also causes hypergastrinaemia, which may be relevant to its role in DU disease.

9.   Most investigators have observed that H pylori infection causes a greater percentage increase in the postprandial gastrin than fasting gastrin.