Lung Function:

Sinthia's comment: Strictly speaking it should just be PEF, not PEFR, because flow is a rate.

Keerthivasan, S., Şenbabaoğlu, Y., Martinez-Martin, N., Husain, B., Verschueren, E., Wong, A., Yang, Y. A., Sun, Y., Pham, V., Hinkle, T., Oei, Y., Madireddi, S., Corpuz, R., Tam, L., Carlisle, S., Roose-Girma, M., Modrusan, Z., Ye, Z., Koerber, J. T., & Turley, S. J. (2021). Homeostatic functions of monocytes and interstitial lung macrophages are regulated via collagen domain-binding receptor LAIR1. Immunity, 54(7), 1511-1526.e8. https://doi.org/10.1016/j.immuni.2021.06.012

Long after a Covid-19 infection, mental and neurological effects smolder. (2020, August 12). STAT. https://www.statnews.com/2020/08/12/after-covid19-mental-neurological-effects-smolder/