Maintenance Notice

Due to necessary scheduled maintenance, the JMIR Publications website will be unavailable from Wednesday, July 01, 2020 at 8:00 PM to 10:00 PM EST. We apologize in advance for any inconvenience this may cause you.

Who will be affected?

Accepted for/Published in: Journal of Medical Internet Research

Date Submitted: Nov 22, 2021
Date Accepted: Mar 9, 2022
Date Submitted to PubMed: Apr 21, 2022

The final, peer-reviewed published version of this preprint can be found here:

Monitoring User Opinions and Side Effects on COVID-19 Vaccines in the Twittersphere: Infodemiology Study of Tweets

Portelli B, Scaboro S, Tonino R, Chersoni E, Santus E, Serra G

Monitoring User Opinions and Side Effects on COVID-19 Vaccines in the Twittersphere: Infodemiology Study of Tweets

J Med Internet Res 2022;24(5):e35115

DOI: 10.2196/35115

PMID: 35446781

PMCID: 9132143

Warning: This is an author submission that is not peer-reviewed or edited. Preprints - unless they show as "accepted" - should not be relied on to guide clinical practice or health-related behavior and should not be reported in news media as established information.

Per the author's request this version is not available.