Bath, P. M., Ball, J., Boyd, M., Gage, H., Glover, M., Godfrey, M., Guthrie, B., Hewitt, J., Howard, R., Jaki, T., Juszczak, E., Lasserson, D., Leighton, P., Leyland, V., Shen Lim, W., Logan, P., Meakin, G., Montgomery, A., Ogollah, R., Passmore, P., …Gordon, A. L. (in press). Lessons from the PROTECT-CH COVID-19 platform trial in care homes. Health Technology Assessment,