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. 2021 Sep 2;73(Suppl 3):S193–S202. doi: 10.1093/cid/ciab481

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© The Author(s) 2021. Published by Oxford University Press for the Infectious Diseases Society of America.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 1. — Number of monthly cases of lower respiratory tract infection (LRTI): September 2016-March 2020. Monthly total precipitation in millimeters (mm) and monthly mean high and low temperatures in degrees Celsius (°C) are shown to reflect seasonal patterns of infection. Top to bottom: (A) Number of monthly cases of nonsevere, severe, and very severe LRTI; (B) number of monthly cases of severe and very severe LRTI associated with respiratory syncytial virus (RSV) infection; each asterisk indicates 1 death in the given month. RSV A deaths are indicated in black; RSV B deaths are indicated in red. One death associated with both RSV A and RSV B infection occurred in September 2019, indicated in dark red.