What's your question?
  1. The first vaccine was discovered by Edward Jenner in 1796. He noticed that people who had cowpox did not get smallpox. He tested this by giving cowpox to a boy and later exposed him to smallpox. The boy didn’t fall sick. This experiment led to the development of the smallpox vaccine and began the glRead more

    The first vaccine was discovered by Edward Jenner in 1796. He noticed that people who had cowpox did not get smallpox. He tested this by giving cowpox to a boy and later exposed him to smallpox. The boy didn’t fall sick. This experiment led to the development of the smallpox vaccine and began the global journey of vaccinations to prevent deadly diseases in humans.

     

    For more NCERT Solutions for Class 8 Science Curiosity Chapter 3 Health: The Ultimate Treasure Extra Questions & Answer:

    https://www.tiwariacademy.com/ncert-solutions/class-8/science/

    See less
    • 103
  2. Vaccines train our immune system to recognize and destroy harmful germs before they cause illness. They protect babies, children, adults and elderly people from dangerous diseases like measles, polio and hepatitis. Vaccines also prevent outbreaks by stopping germs from spreading. They’re tested forRead more

    Vaccines train our immune system to recognize and destroy harmful germs before they cause illness. They protect babies, children, adults and elderly people from dangerous diseases like measles, polio and hepatitis. Vaccines also prevent outbreaks by stopping germs from spreading. They’re tested for safety and save millions of lives every year. Getting vaccinated protects not just individuals, but also others who can’t take vaccines due to age or health reasons.

     

    For more NCERT Solutions for Class 8 Science Curiosity Chapter 3 Health: The Ultimate Treasure Extra Questions & Answer:

    https://www.tiwariacademy.com/ncert-solutions/class-8/science/

    See less
    • 8
  3. India is a global leader in vaccine production. It manufactures and supplies affordable vaccines to many countries, supporting global health efforts. During the COVID-19 pandemic, Indian companies produced and exported millions of vaccine doses. India’s Serum Institute is the world’s largest vaccineRead more

    India is a global leader in vaccine production. It manufactures and supplies affordable vaccines to many countries, supporting global health efforts. During the COVID-19 pandemic, Indian companies produced and exported millions of vaccine doses. India’s Serum Institute is the world’s largest vaccine maker. India also develops new vaccines and supports research through the Department of Biotechnology. Its role is vital in protecting people worldwide from infectious diseases.

     

    For more NCERT Solutions for Class 8 Science Curiosity Chapter 3 Health: The Ultimate Treasure Extra Questions & Answer:

    https://www.tiwariacademy.com/ncert-solutions/class-8/science/

    See less
    • 101
  4. Dr. Maharaj Kishan Bhan was a famous Indian doctor and scientist. He played a key role in developing the Rotavirus vaccine, which protects children from severe diarrhoea. As Secretary of the Department of Biotechnology, he encouraged medical research and innovation. He believed in affordable healthcRead more

    Dr. Maharaj Kishan Bhan was a famous Indian doctor and scientist. He played a key role in developing the Rotavirus vaccine, which protects children from severe diarrhoea. As Secretary of the Department of Biotechnology, he encouraged medical research and innovation. He believed in affordable healthcare and worked to improve child health across India. His efforts have saved many lives and strengthened India’s health and vaccine systems.

     

    For more NCERT Solutions for Class 8 Science Curiosity Chapter 3 Health: The Ultimate Treasure Extra Questions & Answer:

    https://www.tiwariacademy.com/ncert-solutions/class-8/science/

    See less
    • 20
  5. When you catch a cold, your immune system quickly responds. You may get a runny nose, cough or fever. These symptoms are your body’s way of fighting off the virus. White blood cells increase to destroy the virus. Fever helps kill the virus by raising body temperature. All these changes show how yourRead more

    When you catch a cold, your immune system quickly responds. You may get a runny nose, cough or fever. These symptoms are your body’s way of fighting off the virus. White blood cells increase to destroy the virus. Fever helps kill the virus by raising body temperature. All these changes show how your body defends itself from infection and works to restore health.

     

    For more NCERT Solutions for Class 8 Science Curiosity Chapter 3 Health: The Ultimate Treasure Extra Questions & Answer:

    https://www.tiwariacademy.com/ncert-solutions/class-8/science/

    See less
    • 113