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Here's the paradox: cancer is the most preventable of all the chronic illnesses and yet the incidence of cancer growth in Africa and other developing regions of the world is of pandemic proportions, which is exacting a significant economic and social toll.

Reason 1: There is a massive difference between global spend on cancer and on infectious diseases. Although cancer claims more lives globally than HIV/AIDS, malaria and tuberculosis combined, it receives less than three percent of public and private funding from global health. The overwhelming amount goes to infectious diseases.

Reason 2: African countries lack financial clout to attack cancer. They lack epidemiological information to guide resource planning. They lack health workers. They lack the political will and they have competing healthcare demands.

Reason 3: Bad advice. For example, recently a well resourced UK global health advisory group travelled to a poorly resourced African country, which had one of the world's highest rates of cervical cancer mortality and recommended that it should improve its road transport infrastructure to enable health workers easier access to rural areas.

Narrowing the global medical knowledge gap
Sixty years ago, cervical cancer was one of the most common causes of death for western women. However, between 1955 and 1992, the cervical cancer mortality rate in affluent western countries declined by almost 70% as medical knowledge to detect and manage the disease improved. Similar outcomes are true of other forms of cancer to the point where cancer is now preventable and manageable in most developed economies.

According to Margaret Chan, Director General, World Health Organization, the exponential growth of cancer in Africa can be significantly reduced and managed by narrowing the medical knowledge gap between the develop world and African countries.

Notwithstanding, well resourced dedicated centres of global health in affluent developed countries are failing to narrow this gap and thereby failing to reduce and control the 12 million cancer cases that occur annually. If this gap continues over the next 20 years, cancer is expected to exact a significant toll in morbidity, mortality and economic cost particularly in Africa. By 2030, the number of new cancer cases each year is projected to increase to 27 million, cancer deaths to 17 million and much of the cancer burden will fall on poorly resourced African countries.

Mobile phones rather than tarmac
Narrowing the medical knowledge gap between rich and poor countries will neither be achieved by building more roads nor continuing traditional ways of communicating medical knowledge. Such means are slow, costly and ineffective. Narrowing the medical knowledge gap will only be achieved by widespread use of the most ubiquitous healthcare innovation: the mobile telephone.

Although operationally relevant, the mobile telephone is an underdeveloped healthcare application. However, in Africa, the implementation of any healthcare strategy to reduce the burden of cancer and other debilitating health conditions should not be contemplated without leveraging mobile telephony. Why? Because Africa has one of the fastest growing telecommunication infrastructures in the world.

According to a recent joint World Bank and African Development Bank Report there are 650 million mobile users in Africa, surpassing the number in the US and Europe. "In some African countries more people have access to a mobile phone than to clean water, a bank account or electricity," the Report says.

A recent Deloitte's Report suggested that between 2000 and 2012, mobile phone penetration in Africa increased rapidly from one percent to 54%. Today it is over 60%. The main catalyst for this explosive growth is youth. "The cell phone is their landline, ATM and email in one device. Cell phones are central to their life," says Teresa Clarke, CEO, Africa.com.

According to Maurice Nkusi from Namibia Polytechnic who designed a mobile phone-based curriculum, most African youths, "have never even used a computer, but the rapidity with which they master mobile telephony reflects the era in which they live".

Mobile telephony in Africa has narrowed divides between urban and rural, rich and poor and African youth today is the first generation to have direct access to mobile phones, which are used for communicating, transferring money, shopping, listening to the radio and mingling on social media. It is a relatively small step to integrate healthcare content on mobiles that would help prevent and manage cancer.

Africa internet use increases as costs fall
Internet prices in Africa are falling and speed is increasing thanks to fibre-optic submarine cables running along the east and west coasts of Africa and connecting many countries and millions of people.

The Eastern Africa Submarine Cable System (EASSy) is a 10,000km fibre-optic cable deployed along the east and south coast of Africa to service voice, data, video and internet needs of the region. It links South Africa with Sudan via landing points in Mozambique, Madagascar, the Comoros, Tanzania, Kenya, Somalia and Djibouti. The system also interconnects with multiple international submarine cable networks for onward connectivity to Europe, the Americas, the Middle East and Asia.

At a 2013 BRIC summit in South Africa, Andrew Mthembu, chairman, i3 Africa announced that EASSy is to be complimented by a new marine cable connecting 21 African countries with Brazil, Russia and China.

Along the West African coastline is a similar submarine fibre-optic cable, which links West African countries with Europe and brings ultra-fast broadband to a region from Seixal in Portugal through Accra in Ghana to Lagos in Nigeria and branches out in Morocco, Canary Islands, Senegal and Ivory Coast.

This existing 7,000km cable has been recently complemented by a France Telecom-led system, which uses high-speed fibre optic technology to link Europe with 18 countries along the west coast of Africa and provides the capacity to allow approximately 20 million ordinary videos and up to five million high definition videos to be streamed simultaneously, without any buffering.

Today, there are 84 million Internet-enabled mobiles in Africa, all of which can access data and rich media from the internet. By 2014, 69% of mobiles will have Internet access in Africa. In response to the burgeoning demand, African markets are rapidly transitioning from mobiles with limited data access to low-cost smartphones with access to the Internet. Chinese handsets are readily available in Africa for as little as US$20.

Takeaways
Previous HealthPad commentaries have described mHealth initiatives in Africa, but few western centres for global health have fully appreciated that medical knowledge has become mobile, digital and global. Further, they have not fully appreciated the telecommunications revolution that has taken place in Africa over the past decade. Such failures help to explain why the medical knowledge gap between the developed world and African countries has not been narrowed.

This failure is also an opportunity for centres of global health to take a lead in capturing and organising medical knowledge to assist in the management of cancer and other chronic diseases and then to leverage established telecommunications infrastructures to distribute that knowledge to where it is needed the most. What a pity that narrowing the medical knowledge gap was not a Millennium Development Goal.