普通感冒不光能与五毒病毒反应，还可能促进对五毒病毒的免疫
Cross-reactive CD4+ T cells enhance SARS-CoV-2 immune responses upon
infection and vaccination https://www.science.org/doi/10.1126/science.abh1823
JUST IN - Certain immune cells from prior infections with "common cold"
coronaviruses boost the immune response against #COVID19, a new study led by
Charité Medical University Berlin and the Max Planck Institute for
Molecular Genetics concludes.
