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NCERT Exemplar Solutions Class 9 Science Solutions for Why Do We Fall ill ? - Exercise in Chapter 13 - Why Do We Fall ill ?

Question 25 Why Do We Fall ill ? - Exercise

Who discovered the ‘vaccine’ for the first time? Name two diseases which can be prevented by using vaccines.

Answer:

Edward Jenner discovered the vaccine. Polio and tetanus are the diseases which can be prevented by using vaccines.

Video transcript
"hello everyone welcome to leader learning i am gurpreet your science tutor today's question is who discovered the vaccine for the first time name two diseases which can be prevented using vaccines so here in this question we'll discuss about who discovered the vaccine and which disease can be prevented by the vaccine so let's start our answer vaccine was discovered for the first time first time by edward jenner edward jenner was the first person who discovered the vaccine now the disease is which can be prevented using vaccines are first is polio and the next is tetanus so these are the diseases which can be prevented using the vaccines for more such videos please subscribe leader learning and for any doubts drop a comment thank you"
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