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Task 1. You are going to read the text aloud. You have 1.5 minutes to read the text silently, and then be ready to read it aloud. Remember that you will not have more than 2 minutes for reading aloud.
The development of medicine depends greatly on scientific experiments and technological progress. Vaccines are one of the most important achievements because they help protect people from dangerous diseases. The first vaccine was introduced more than 200 years ago and changed public health forever. Modern vaccines are tested carefully before they become available. Scientists use advanced methods to study how the immune system reacts to different substances. Although medical research can take many years, it helps create safer and more effective treatments. Healthcare continues to improve through cooperation between doctors and researchers.