In a month’s time, COVID-19 has swept the state with 75,317 confirmed cases as of April 16. While there is still much unknown about the rapidly spreading, difficult-to-detect virus, which manifests in an endless variety of symptoms ranging from zero to fatal, medical experts are revisiting containment methods dating back to the 1800s – antibody research and the application of convalescent serum.

Professionals are beginning to theorize that once people have contracted COVID-19, they cannot get it again, at least not for some time.