Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2021 Nov 17;8:704515. doi: 10.3389/fmed.2021.704515

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

Copyright © 2021 Ng and Vardhanabhuti.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

PMC Copyright notice

(A) Daily newly confirmed COVID-19 cases and cumulative deaths in Hong Kong, (B) The monthly percentage change of chest-related procedures in 2020, (C) Time series analysis of the chest-related procedures in 2020.