FILE PHOTO: A health worker at a drive-thru coronavirus disease (COVID-19) testing center in Lisbon, Portugal, March 26, 2020. REUTERS/Rafael Marchante
LISBON (Reuters) - As Portugal prepares to ease its coronavirus lockdown, a number of cities and research organisations are rolling out antibody tests even though national authorities warn it may be too early to draw conclusions on immunity among the population as a whole.
Some countries see antibody tests as a way to determine if people have developed immunity through exposure to the coronavirus, potentially allowing them to return to work. But virology experts are not yet certain what immunity such antibodies might provide.
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