
First-line immune defences against COVID-19 a - EurekAlert

A new study finds that antibodies produced in the nose decline nine months after COVID-19 infection, while antibodies found in the blood last at least a year.
A new study finds that antibodies produced in the nose decline nine months after COVID-19 infection, while antibodies found in the blood last at least a year.
Antibodies in the nasal fluid (known as… [+9062 chars]
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