Immunity to COVID-19 may not last. This threatens a vaccine and herd immunity
- Written by Nigel McMillan, Program Director, Infectious Diseases and Immunology, Menzies Health Institute, Griffith University
How is the world going to go back to the days when we could grab a coffee, see a movie, or attend a concert or footy game with anyone?
Opinion suggests there are two options: an effective vaccine, or herd immunity via at least 60-80% of people becoming infected. Either one of these options requires that people become immune to SARS-CoV-2, the...





