The differential diagnoses include usually smallpox, chickenpox, measles, bacterial skin infections, scabies, medicamentous allergies and syphilis.

WHO welcomes this WIPO launch of a consortium aimed at expediting the development of new medicines, diagnostics, and vaccines for the neglected tropical diseases, malaria, and tuberculosis.

Nanoparticles are already used in the cosmetics industry and are being developed for drug delivery, diagnostic imaging and tissue engineering, to name only a few applications.