Improve the grammaticality: Unlike chemotherapy which can cause depression of body immune system because it kills not only bad cancer cells but also good cells which contribute to body's immunity, vaccine works in a totally different way.
The vaccine is not a cure for cancer but it is a preventive measure.
The vaccine is not a cure for cancer but it is a preventive measure.
The vaccine is not a cure for cancer but it is a preventive measure.
The vaccine is not a cure for cancer but it is a preventive measure.
The vaccine is not a cure for cancer but it is a preventive measure.
The vaccine is not a cure for cancer but it is a preventive measure.
The vaccine is not
The vaccine is not a cure for cancer. It is a treatment to prevent cancer from developing.
The vaccine is not a cure for cancer. It is a treatment to prevent cancer from developing.
The vaccine is not a cure for cancer. It is a treatment to prevent cancer from developing.
The vaccine is not a cure for cancer. It is a treatment to prevent cancer from developing.
The vaccine is not a cure for cancer. It is a treatment to prevent cancer from developing.