Why are inactive viruses used in vaccines ? how do they help in increasing immunity ??
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Vaccines help develop immunity by imitating an infection. ... vaccine would be used, are also important because the strain of a virus ... Inactivated vaccines also fight viruses and bacteria.
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Pathogens for inactivated vaccines are grown under controlled conditions and are killed as a means to reduce infectivity (virulence) and thus prevent infection from the vaccine. The virus is killed using a method such as heat or formaldehyde.
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