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Many vaccines only use parts of the virus (such as proteins from the exterior of the virus). These vaccines can't cause infection because only certain parts of
by a_c_s 7y ago
Many vaccines only use parts of the virus (such as proteins from the exterior of the virus). These vaccines can't cause infection because only certain parts of the virus are included, not whole viruses.
- andrewla 7y agoI was not aware of that -- I thought that all vaccines used some live/dead/weakened/attenuated viral load.