Plague of the dead - Z. A. Recht

The Morningstar virus. Those infected suffer delerium, fever, violent behaviour ... and a hundred per cent mortality rate. But that's not the worst of it. The victims return from the dead to walk the earth. And when a massive military operation fails to contain the plague of the living dead, it escalates into a worldwide pandemic.
On one side of the world, thousands of miles from home, a battle-hardened general surveys the remnants of his command: a young medic, a veteran photographer, a rash private, and dozens of refugees -- all of them his responsibility. Meanwhile in the United States, an army colonel discovers the darker side of Morningstar and collaborates with a well-known journalist to leak the information to the public...