The coronavirus remains new enough and its long-term effects unpredictable enough that measuring the threat posed by an infection is a thorny problem. How people perceive risk is subjective.
In a small study in San Francisco, Abbott’s BinaxNOW identified infectious people nearly as accurately as a P.C.R. test.
The usual diagnostic tests may simply be too sensitive and too slow to contain the spread of the virus.
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As we head into the fifth month of the outbreak millions of working families feel like they have been kidnapped and sent to hell.
A team of scientists worked around the clock to evaluate 14 antibody tests. A few worked as advertised. Most did not.
If Nicky Morgan won’t listen to teachers, parents need to take action to prevent our schools turning into joyless exam factories, starting with Tuesday’s boycott. By coincidence, at the end of last week, Randi Weingarten, head of the American Federation of Teachers, was in London to hand in a petition to Pearson, the education company and provider of curriculums and test delivery.
Success Academy, New York City’s largest charter school network, loses more than 10% of its enrolled student population each year once testing starts, compared to 2.7% at nearby schools
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