![Red and Blue graphic image of coronaviruses.](/news/2020posts/images/coronavirus-red-illustration.jpg)
Natural COVID-19 Infections Protect Against SARS-CoV-2, Gamma and Delta Variants
New research from Hannah Maier
Natural infection with COVID-19 offered protection from reinfection when the gamma and delta variants predominated, according to a new University of Michigan study that also provides levels of antibodies needed to protect against reinfections.