G7 need to take responsibility for Covid response – WHO

G7 need to take responsibility for Covid response – WHO

World Health Organization (WHO) special envoy on Covid-19, Dr David Nabarro, has called on G7 leaders to take responsibility, “beyond positioning”, and form a worldwide coronavirus response programme. The issue needs to be dealt with as a global challenge, Dr Nabarro told BBC World News, with a adequate finance, vaccines, diagnostics, treatment and political support….

Bacteria makes a dengue ‘stop sign’ in mosquitoes

Bacteria makes a dengue ‘stop sign’ in mosquitoes

Infecting mosquitoes with Wolbachia bacteria has reduced the insect’s ability to spread dengue fever by 77% in a trial, scientists have said. The Wolbachia bacteria persists in the mosquito population meaning the intervention only has to be done once to give a community protection from dengue for many years, the lead researcher on the project,…