Immunization is very essential for every human being to fight against varies diseases like Poliomyelitis, Diphtheria, Pertussis, Tetanus, Measles, Rubella, Mumps, Hepatitis B, Typhoid, Cholera etc. 1) BCG VACCINATION: Bacillus calmette Guerin is an attenuated strain of mycobacterium tuberculosis used as live vaccine against tuberculosis. BCG is administered intradermally over the deltoid muscle. The dosage is 0.05 ml in newborn or 0.1 ml in all other ages. 2. POLIOMYELITIS Inactivated (killed) poliovirus (IPV) developed by Salt ,or live attenuated (oral) poliovirus vaccine (OPV) developed by sabin are used as world wide for the prevention of paralytic poliomyelitis. both vaccines are usually supplied as a trivalent antigen containing 3 types of polioviruses. In many countries including India 2 drops are preferred. In USA the do...