The authors also supported the idea that pre-existing antibodies against common cold coronaviruses could protect against covid-19. “The levels of IgG antibodies against SARS-CoV-2 Spike protein remain stable, or even increase, seven months after infection," stated the authors.
In order to predict the pandemic’s evolution and develop effective strategies, it is critical to better understand the dynamics and duration of immunity to SARS-CoV-2 as well as the possible role of pre-existing antibodies against the coronaviruses that cause common colds.
With this goal in mind, the team led by ISGlobal researcher Carlota Dobaño followed a cohort of healthcare workers at the Hospital Clinic (SEROCOV study) from the beginning of the pandemic, in