Covid-19 vaccines: Here’s how they work

Global vaccine giant AstraZeneca reports that its vaccine prevents coronavirus infection 62% of the time while people get two doses a month. But in a subgroup of volunteers who received half a dose after a full dose a month later, the vaccine appeared to be 90% effective. Which has an …

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With Ethiopia on the brink of growth, diplomacy in doubt

Nairobi, Kenya – An alarm was sounded on Tuesday over Ethiopia’s imminent tank attack on the capital of the criminal Tigris region and its population of half a million people, when the UN Security Council met amid warnings of a meeting for the first time on a three-week-old conflict. The …

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