Officials worry about dwindling supplies of Covid test kits

NEW YORK CITY, New York: As COVID-19 cases are surging and schools and employers are requiring students and staff to undergo tens of millions of tests, U.S. companies are struggling to manufacture coronavirus test kits, said state health officials and industry representatives.

In recently months, test kit manufacturers, such as Abbott Laboratories, Becton Dickinson and Quidel, have scaled back production followin