Evidence that cross-reactive immunity from common human coronaviruses can influence response to SARS-CoV-2

In a recent study published in the journal Vaccines, researchers in Saudi Arabia and the United States examined immune responses and immunoglobulin G (IgG) cross-reactivity in individuals infected with Middle East respiratory syndrome coronavirus (MERS-CoV) and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2).