WHO says Covid vaccine trials are ‘encouraging’ but it’ll take time to ensure it’s safe for everyone

WHO says Covid vaccine trials are ‘encouraging’ but it’ll take time to ensure it’s safe for everyone

LONDON – The World Health Organization has welcomed updates from developers scrambling to deliver a safe and effective Covid-19 vaccine, but cautioned it is still “going to take time” before one is widely available. It comes shortly after AstraZeneca said its vaccine candidate against the coronavirus had produced a similar immune response in older and younger adults.

By Miki