Does a vaccine contain only dead or weakened form of bacteria or also a virus?

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Solution

vaccine are of different type and it depends on the type of disease people are suffering. vaccine consist of many things in some type live virus as well.

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Vaccines contain dead or weakened microbes.

Q. Oral polio vaccine contains live viruses.

Q. Vaccines are preparations containing heat killed or chemically weakened pathogens or their surface coatings which function as ‘X’.

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Q88) Recently there was a debate to replace Oral Polio Vaccine (OPV) by Injectable Polio Vaccine (IPV). Which of the following statements are true with respect to IPV?

1. IPV is made up of attenuated or weakened poliovirus while OPV is made up of inactivated polio virus

2. IPV is more expensive than OPV

3. In areas of low hygiene Vaccine Derived Polio Virus (VDPV) may be contracted due to OPV

Q.
A. Immunity means the ability of a body to recognize, destroy and eliminate external disease causing agents.
B. Vaccination helps a person to acquire immunity against a certain disease.
C. The vaccine is a solution containing the disease-causing organisms in a diluted or weakened form.
D. The commonly used vaccine are DPT, BCG, hepatitis vaccine, polio vaccine, typhoid vaccine etc.
Select the correct statement.

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