The Ebola outbreak and Boko Haram prove that different rules apply in Africa

Of course, no one says as much in such bald terms, not even in the farage of plain-speaking that characterises the demagogic rhetoric of our times. But it is hard to escape the sense that such is the reality of our political priorities.

This is not just the worst single epidemic of Ebola in history. The frighteningly contagious disease, which kills up to 90 per cent of those who contract it, has now slain more than all previous outbreaks put together.

Tens of thousands have died, far more than the World Health Organisation’s official figure of 3,300. Its progress is exponential; almost 40 per cent of the deaths have occurred in just the past three weeks.

How odd, then, that the news is dominated by stories about the one man who has taken the disease from Liberia to the United States. The Liberian President Ellen Johnson Sirleaf, whose population are dying in droves, is quoted widely on the “unpardonable” action of the man who took the disease to the world’s richest nation.

There are reports about how he will be prosecuted for falsely declaring, when he boarded the plane for Dallas, that he had had no contact with Ebola. In the US there are in-depth accounts of the strict infection-control measures being put in place – the bubble tents, the reporting systems, the hi-tech gowns and gloves – that will make sure Ebola is swiftly contained.

Meanwhile, back in Africa the news is of how, despite promises of Western aid, local health workers not only lack gowns and gloves, but are even short of paracetamol and mattresses on which the sick can die.

The British government has announced a £100m aid package to build a series of clinics with 700 specialist Ebola treatment beds.

But that has been overshadowed by the revelation from MPs on the cross-party International Development Committee that British bilateral aid to Sierra Leone and Liberia was previously slashed by a fifth – doing grave damage to those nations’ health infrastructure.

“The weak state of the health system in both countries has greatly reduced the effectiveness of the response to Ebola,” the MPs declared.

The final grotesque metaphor for the gap between rich and poor has been the way that ethical concerns about the unproven nature of the experimental serum ZMapp were set aside so the drug could be given to British and American victims of the disease.

But none was made available for Dr Sheik Umar Khan, Sierra Leone’s chief physician, who died treating those struck down by the devastating epidemic.

It was a grim parody of the principles of global distributive justice. But it violated even a utilitarian calculus.

Saving the life of Dr Khan would have allowed him to save a greater number of lives than resulted from saving the life of a British nurse or American doctor.

But Dr Khan is merely a citizen of the global south. Such are the economics of international inequality. Africans are best treated, it appears, by quarantine; the US media has called for travel bans to cut off Liberia, Sierra Leone and Guinea from the rest of the world.

Travellers always get round such interdicts; the only safe way to protect the world is to finance the fight against the disease at its source.

It is not just Ebola. In Nigeria, ruthless fanatics are lashing, amputating and stoning in the name of a perverted vision of Islam.

Once terrorist guerrillas, they are now holding territory and proclaiming an African “caliphate”.

Three million have fled their homes. People are taking refugee on mountain tops. Government troops are retreating, saying they cannot match the fire power of the insurgents.

A Nigerian air force pilot has just been beheaded on video. The parallels with Iraq are uncanny.

Yet here there are no American air strikes as there are in Iraq and Syria.

The Australian Prime Minister Tony Abbot – who has become the first Western leader to deploy troops against what he calls the “murderous death cult” of the UnIslamic State – is not claiming that Australia’s streets, and those of the wider world, need protecting from an “unprecedented terrorist threat” in Nigeria.

Why not? Because, as with Ebola, the deaths of Africans have no strategic, or even symbolic, significance in our global realpolitik. All this is not just deeply unjust. It is politically and epidemiologically myopic.

Ebola is one of the most lethal viruses known to humanity. It kills up to 90 per cent of its victims. There are about 500 new cases each week, according to the World Health Organisation, and the rate of increase is accelerating.

The virus can mutate rapidly because, like Aids or influenza, its genetic code is a strand of RNA, the less stable cousin of DNA. It could even become airborne. WHO strategists predict 20,000 infections in the next six weeks.

The US Center for Disease Control has warned of as many 1.4 million people infected by January.

But they will only be Africans. So that will be all right then.