How contagious is Delta? How long are you infectious? Is it more deadly? A quick guide to the latest science
- Written by: Lara Herrero, Research Leader in Virology and Infectious Disease, Griffith University
ShutterstockDelta was recognised as a SARS-CoV-2 variant of concern in May 2021 and has proved extremely difficult to control in unvaccinated populations.
Delta has managed to out-compete other variants, including Alpha. Variants are classified as “of concern” because they’re either more contagious than the original, cause more...