Dealing with what have been called ‘wicked’ and ‘adaptive’ problems is a huge challenge for political leaders. A ‘clumsy’ response can be inevitable – and even desirable
Your body produces antibodies after an infection or vaccine, but these slowly decline over time. New Johnson & Johnson data sheds light on the duration of protection and
Delta is more contagious and appears to be more deadly. And it’s more likely to land those infected in hospital and intensive care. Here’s what the latest evidence
The best image the country can and does project is one of competent authorities handling exceptional circumstances of the pandemic, even when health structures and personnel are overstretched
Covid-19 vaccination produces a more consistent immune response than a past infection. With the delta variant, the difference in protection may be even greater