The AQI scale categorises air quality from 0 to 500: 0–100 is ‘good’, 100–200 is ‘moderate’, 200–300 is ‘poor’, 300–400 is ‘very poor’, and above 400 is ‘severe’. Doctors have attributed the worsening ...
The clinical trial, led by scientists from King’s College London and sponsored by the University of Oxford, with support from drug firm AstraZeneca UK, was conducted at Oxford University Hospitals NHS ...