The money will go towards reaching more children with basic vaccines, improving health care systems and introducing new vaccines such as those for pneumococcus, rotavirus, meningitis and Japanese encephalitis, a UNICEF and WHO report said.

Child immunization is the act of preventing childhood diseases such as diphtheria, whooping cough, tetanus, poliomyelitis, typhoid and childhood tuberculosis, measles, chicken pox and small pox by giving chemical substances, which contains the contributing organization at a reduced viral state.

Most immunizations can be given either through an injection or through the mouth.

Vaccines and immunoglobulins are agents used for both forms of immunisation active and passive.

Active immunisation increases the resistance to infection following recovery from an infection or artificially through administration of vaccine.

Passive immunization is achieved by administration of antibodies of either animal or human origin.

Immunisation vaccines are currently used for active immunisation against various diseases such as Tuberculosis, Polio, Diphtheria, Measles, Meningitis, Mumps, Influenza, Typhoid, Hepatitis A, Hepatitis B, Tetanus, Cholera, Rabies, and Rubella.

World Immunization Day comes but once a year but, every day, Plan works to implement this low-tech, highly-successful and cost-effective solution to preventing illness and disease.

Children need the best possible start in life but more than 19 million children almost 20 percent of children born each year - are not immunized against preventable illnesses that could lead to a disability or even death.

Immunization can help to prevent the six deadliest childhood diseases that kill more than two million children each year, including measles, tuberculosis, polio, tetanus, diphtheria and pertussis.

Over 90 percent of children are now receiving immunization compared to only 53 percent five years ago.