Association between growth of the SARS-CoV-2 epidemic and increased coughing rate in cold temperatures: surveillance in Hokkaido, Japan.

ABSTRACT:

Objective

Although the transmissibility of SARS-CoV-2 in winter is thought to increase through viral droplets when coughing, current epidemiological data in this regard are limited.

Setting

Using the national epidemiological surveillance data in the autumn and winter seasons in Hokkaido, Japan, between February 2020 and February 2021, we analysed the relationship between case increase ratio and prevalence rate of coughing in patients with PCR-confirmed SARS-CoV-2 in two age groups (0-40s and 50-100s) with concomitant air temperature and humidity.

Participants

The 7893 cases of symptomatic PCR-positive patients consisted of 5361 cases in the young age group and 2532 cases in the older age group.

Primary and secondary outcome measures

Pearson's correlation analys

SUBMITTER: Inaida S 

PROVIDER: S-EPMC8927929 | biostudies-literature | 2022 Mar

REPOSITORIES: biostudies-literature