Business

Why antibody tests will not help you much

Getting an antibody test to see if you had Covid-19 months ago is pointless, according to guidelines issued this week by a major medical company. Many tests are inaccurate, some look for the wrong antibodies and even the right antibodies disappear, said experts at the Infectious Diseases Society of America, …

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US economic recovery gets steam while others stutter

The U.S. economy gained momentum this month as companies shook the effects of the pandemic-induced decline, although yields in other parts of the world were slower, according to new research from purchasing managers. The data released Friday suggests that U.S. companies will look back on demand when they reopen from …

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