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. 2021 Sep 2;73(Suppl 3):S238–S247. doi: 10.1093/cid/ciab508

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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 infections (LRTIs) from September 2016 through March 2020 in full-term and preterm infants. Monthly total precipitation in millimeters (mm) and monthly mean high and low temperatures in degrees °C are shown to reflect seasonal patterns of infection. (A) Number of monthly full-term cases of severe and very severe LRTIs. (B) Number of monthly preterm cases of severe and very severe LRTIs. (C) Number of monthly full-term cases associated with respiratory syncytial virus (RSV) infection. (D) Number of monthly preterm cases associated with RSV infection.