Ring vaccination targets contacts

The new immunization option aimed to reduce severe rotavirus disease in children.

Early introduction covered selected states before wider expansion.

Immunization complements clean water, hygiene, and treatment of dehydration.

The results of a ring-vaccination study in Guinea showed high protection against Ebola.

Participants, health workers and contact-tracing teams made the outbreak trial possible.

The published results came after the major outbreak and informed later prevention efforts.

A partnership aimed to make paediatric benznidazole more accessible.

Early detection and therapy are important for infected children in affected regions.

The announcement focused on supply and access, not a claim that Chagas had been eradicated.

The WHO arrangement sought to help health systems obtain treatment for children.