My colleagues and I have just published:
E. Jegasothy, I.C. Hanigan, J. Van Buskirk, G.G. Morgan, B. Jalaludin, F.H. Johnston, Y. Guo, R.A. Broome, Acute health effects of bushfire smoke on mortality in Sydney, Australia, Environment International (2022), doi: https://doi.org/10.1016/j.envint.2022.107684