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Economic Barriers

The cost of vaccination may be a barrier at a country-wide level and at an individual level within countries. Different initiatives exist to address these two issues: Country-wide solution In …

Vaccines Implementation and Delivery Introduction

Vaccine schedules need to be implemented in order for the right vaccines to reach the right individuals at the right time. Challenges that arise when implementing vaccination schedules include: Financial …

The Use of Vaccines Through a Life Time

As we have discussed, the original goal of EPI was to expand vaccination for children, however, the benefits of vaccines are not restricted to children alone. Vaccination can be beneficial …

National Vaccination Programmes

The Expanded Programme on Immunisations (EPI) was established by the World Health Organisation (WHO) in the 1970’s, following the success of polio vaccination. The aim of the EPI was to …

Vaccines – The Facts

Unfortunately there are still misconceptions regarding the safety and effectiveness of vaccines. The WHO has released ‘5 Facts on Vaccines’ (see figure below) to address these concerns and highlight the …

Vaccines Changing Lives – Case Study: Polio

Polio (poliomyelitis) is a highly infectious disease caused by a virus. It is transmitted easily from person to person via contact or contaminated water or food. Polio mainly affects children …

Do Vaccines Work?

Vaccines have been described as the most effective intervention in modern medicine. They have prevented at least 10 million deaths between 2010 and 2015, and protected many millions more from …

What is Herd Immunity?

Herd immunity describes how a population is protected from a disease after vaccination by stopping the pathogen responsible for the infection being transmitted between people. In this way even people …

What are Vaccines?

A vaccine is a biological preparation that improves protection to a particular disease. A vaccine typically contains an agent that resembles a disease-causing microorganism and is often made from weakened …

Meet the Educators

This course has been developed by specialists in their field from the UK: Rajeka Lazarus I am a practising clinician working in both Infectious Diseases and Microbiology. My areas of …