COVID-19 vaccine effective in elderly says AstraZeneca after German govt doubts efficacy

Earlier reports said that the AstraZeneca/Oxford vaccine efficacy is as low as eight percent in adults over 65 years.

from http://www.firstpost.com/tech/science/covid-19-vaccine-effective-in-elderly-says-astrazeneca-after-german-govt-doubts-efficacy-9239511.html