Among these firms is Sequella, a biotechnology and diagnostics company based in Rockville, Maryland.
ECONOMIST: A poor diagnosis
2.
Phages are parasites of bacteria, and the phage that Sequella works with specialises in M. tuberculosis.
ECONOMIST: A poor diagnosis
3.
According to Sequella, early trials show that the patch picks up 98% of those infected, yields few false positives and is easier to use in the field than tuberculin-testing, since no needles are required.