Nursing mothers who receive a COVID-19 vaccine may not only protect themselves, but their babies as well, a new study shows.

"...the longevity of functional neutralizing antibodies against SARS-CoV-2 can vary greatly and it is important to monitor this at an individual level."

"...the longevity of functional neutralizing antibodies against SARS-CoV-2 can vary greatly and it is important to monitor this at an individual level."

Breastfeeding women with COVID-19 don't transmit the SARS-CoV-2 virus through their milk, researchers report. They do pass on antibodies, though.

Mothers who have had COVID-19, or asymptomatic exposure to SARS-CoV-2, may be able to provide some protection against the virus to their newborns.

One antibody can block the dengue virus from causing disease in mice, a study shows. The finding could lead to more effective treatments and a vaccine.

SARS-CoV-2 antibodies persist in the body for months after infection. "This research… has armed us with the knowledge that lasting immunity is a reality."

A new synthetic antibody may prevent the coronavirus from causing infection by blocking attachment to a key enzyme. It shows promise in a study with mice.

New research indicates tanezumab could offer relief for chronic lower back pain.

When interpreting COVID-19 antibody tests, caution is key. Here, experts explain the best way to use the tests and why false positives are so concerning.