Developing and maintaining immunity to the new coronavirus involves more than just antibodies.br According to researchers T cells and B cells also offer us long-term protection from the virus.br Business Insider reports that these immune cells can persist at least eight months in recovered COVID-19 patients.br Researchers found that about 90 of patients develop immunity to the coronavirus with T cells, B cells, and antibodies.br A small subsection of participants however developed only some, or none, of them.br Those patients seem to have a weakened immune response and could be susceptible to reinfection quickly.