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What to know about coronavirus testing

A patient is treated at a drive through

A patient is treated at a drive through antibody testing site outside Delmont Medical Care on Monday, April 20, in Franklin Square. Credit: Howard Schnapp

Have questions about the status of COVID-19 testing? Here are some answers:

How many tests have been done on Long Island to date?

What’s the national testing number?

Why do experts recommend mass testing before society is opened?

Why is increased testing so important?

Why test people with no symptoms?

Why are asymptomatic people a threat?

What’s the difference between the diagnostic, or nasal swab, test, and the immunology, or blood test?

What is the antibody testing survey that Gov. Andrew M. Cuomo announced on Sunday?

Why are testing levels so important?

How long does immunity last?

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