Post-infection coronavirus immunity usually robust after 8 months, study shows - The Washington Post

Research sees prolonged, multipronged immune system response in 90 percent of people https://www.washingtonpost.com/health/post-infection-coronavirus-immunity-usually-robust-after-8-months-study-shows/2021/01/07/d7d369a6-511a-11eb-b96e-0e54447b23a1_story.html