Little research has been done with long term effects of cognitive ageing vs literacy.

Townsend, L., Dyer, A. H., Naughton, A., Kiersey, R., Holden, D., Gardiner, M., Dowds, J., O’Brien, K., Bannan, C., Nadarajan, P., Dunne, J., Martin-Loeches, I., Fallon, P. G., Bergin, C., O’Farrelly, C., Cheallaigh, C. N., Bourke, N. M., & Conlon, N. (2021). Longitudinal Analysis of COVID-19 Patients Shows Age-Associated T Cell Changes Independent of Ongoing Ill-Health. Frontiers in Immunology, 12. https://www.frontiersin.org/article/10.3389/fimmu.2021.676932

Aizpurua, A., Migueles, M., & Aranberri, A. (2021). Prospective Memory and Positivity Bias in the COVID-19 Health Crisis: The Effects of Aging. Frontiers in Psychology, 12, 666977. https://doi.org/10.3389/fpsyg.2021.666977

Parry, H. M., Tut, G., Faustini, S., Stephens, C., Saunders, P., Bentley, C., Hilyard, K., Brown, K., Amirthalingam, G., Charlton, S., Leung, S., Chiplin, E., Coombes, N. S., Bewley, K. R., Penn, E. J., Rowe, C., Otter, A., Watts, R., D’Arcangelo, S., … Moss, P. (2021). BNT162b2 Vaccination in People Over 80 Years of Age Induces Strong Humoral Immune Responses with Cross Neutralisation of P.1 Brazilian Variant. SSRN Electronic Journal. https://doi.org/10.2139/ssrn.3816840

Sanderson, L., Harkin, L., Stuart, A., Stevenson, C., Park, M. S.-A., Yan, R. J., Mitra, S., Nuseibeh, B., Gooch, D., & Katz, D. (2021). A Siege on Positive Ageing: COVID-19 as Exacerbating Age-based Stereotype Threats among Older Adults [Preprint]. PsyArXiv. https://doi.org/10.31234/osf.io/pufd5

Stuart, A., Harkin, L., Daly, R., Sanderson, L., Park, M. S.-A., Stevenson, C., Katz, D., Gooch, D., Levine, M., & Price, B. (2021). Ageing in the time of COVID-19: The coronavirus pandemic exacerbates the experience of loneliness in older people by undermining identity processes. PsyArXiv. https://doi.org/10.31234/osf.io/rhf32

Faraji, J., & Metz, G. A. S. (2021). Ageing, Social Distancing, and COVID-19 Risk: Who is more Vulnerable? PsyArXiv. https://doi.org/10.31234/osf.io/8k56a

Burda, Z., Kotwica, M., & Malarz, K. (2020). Ageing of complex networks. Physical Review E, 102(4), 042302. https://doi.org/10.1103/PhysRevE.102.042302

Reher, D. S., Requena, M., de Santis, G., Esteve, A., Bacci, M. L., Padyab, M., & Sandström, G. (2020). The COVID-19 pandemic in an aging world [Preprint]. SocArXiv. https://doi.org/10.31235/osf.io/bfvxt

Hossain, M. M., Mazumder, H., Tasnim, S., Nuzhath, T., & Sultana, A. (2020). Geriatric health in Bangladesh during COVID-19: Challenges and recommendations [Preprint]. SocArXiv. https://doi.org/10.31235/osf.io/x2b8w

Edgcumbe, D. (2020). PrePrint Version (Edgcumbe, 2020): The developmental trajectory of open-mindedness: from 18 to 87-years of age. [Preprint]. PsyArXiv. https://doi.org/10.31234/osf.io/fnrmv