confirmatory

"I think the urgency and importance of doing the confirmatory work can't be overstated."

In many cases, presumptive testing requires further confirmatory testing.

“If Oropouche continues to circulate for a few more years and there is confirmatory evidence of birth defects in pregnant travelers then it is likely a vaccine will be prioritized.”

First, people who are flagged by the opportunistic screening as potentially having a disease will likely need further confirmatory testing, which takes resources.

But it’s unclear whether the National Veterinary Surveillance Laboratory in Ames, Iowa — where confirmatory testing for bird flu in animals is currently taking place — will stay open.