Vaccine results show we can end the pandemic, but hurdles lie ahead

Promising early results from vaccine trials provide hope of defeating covid-19, but vaccines could also be much less efficient in the actual world and folks’s security issues might hamper take-up

WHAT a distinction per week makes. In about that point, we have gone from having little greater than hope {that a} coronavirus vaccine would work, to having promising results from not one but three trials.

As final week’s challenge went to press, we had simply heard the information {that a} vaccine candidate in late-stage human trials appears to be protected and efficient – not less than in response to interim findings. That was the vaccine from US agency Pfizer and its German companion BioNTech. Then got here the results – albeit in a smaller pattern – from Russia’s Sputnik V vaccine. And on Monday, US agency Moderna …