ST. LOUIS — Washington University researchers on Monday released a study further suggesting that the Pfizer and Moderna COVID-19 vaccines offer monthslong protection from the virus.
No one had yet studied whether the vaccines create persistent responses in key parts of the lymph nodes, the researchers said. Their data was published Monday in the journal Nature.
“This is evidence of a really robust immune response,” co-senior author Dr. Rachel Presti, an associate professor of medicine, said in a statement.
The vaccines have already been studied in large…
