Herd immunity ‘might now be impossible’. Here’s how we could learn to live with Covid
The US has vaccinated more than half its adults with one dose. But rates are slipping
What if ‘herd immunity’ to coronavirus is closer than scientists thought?
Some modellers predict that Covid-19 will fade more quickly than previously assumed
How the world missed the silent spread of the coronavirus
Evidence of symptomless transmission was dismissed by health officials for months
Infected but feeling fine: the unwitting coronavirus spreaders
High number of asymptomatic cases is complicating efforts to predict pandemic’s course
How long will coronavirus live on surfaces or in the air around you?
A new study could have implications for how we can best avoid transmission of the virus
Coronavirus – the science: The search for ‘patient zero’
Edition 1: Researchers assessing number of undiagnosed and how infectious these people are
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