Medicines destroy or slow down harmful microbes after infection. Vaccines prepare the immune system in advance by exposing it to weakened microbes, helping the body fight future infections more effectively and quickly.
Class 8 Science Curiosity Chapter 1 Exploring the Investigative World of Science NCERT solutions
Class 8 Science Curiosity Grade 8 Chapter 1 Exploring the Investigative World of Science question answer
Medicines like antibiotics and antivirals treat infections by targeting harmful bacteria or viruses, reducing their activity or eliminating them. Vaccines work differently—they expose the body to a harmless version of a germ, training the immune system to recognize and fight it in the future. This builds immunity without causing illness. Together, medicines and vaccines are vital tools in modern science, preventing and controlling disease and ensuring better public health outcomes.
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