Vaccine

Varicella vaccine, also known as chickenpox vaccine, is a vaccine that protects against chickenpox. One dose of vaccine prevents 95% of moderate disease and 100% of severe disease. ... Either one or two doses of the vaccine is recommended.

Typhoid  Vaccine

Typhoid vaccines are vaccines that prevent typhoid fever. Several types are widely available: typhoid conjugate vaccine, Ty21a and Vi capsular polysaccharide vaccine. They are about 30 to 70% effective for the first two years depending on the specific vaccine in question.

Pertussis vaccine is a vaccine that protects against whooping cough (pertussis). There are two main types: whole-cell vaccines and acellular vaccines. ... The vaccine is only available in combination with tetanus and diphtheria vaccines.