Plos Pathogens

Researchers have developed new polio vaccine strains that is particularly suitable for a post-eradication era as these strains appear both effective and unable to cause disease after accidental release.

Now, half a century later, a new strain of the disease is threatening the existence of the Cavendish, the banana that replaced the Gros Michel as the world's top banana export.

Researchers have developed new polio vaccine strains that is particularly suitable for a post-eradication era as these strains appear both effective and unable to cause disease after accidental release.

Now, half a century later, a new strain of the disease is threatening the existence of the Cavendish, the banana that replaced the Gros Michel as the world's top banana export.