Coronavirus antibodies may last only two to three months after infection, study suggestsWithin eight weeks, 81% of the asymptomatic people saw a reduction in neutralizing antibodies compared with 62% of symptomatic patients.[Collection]

Within eight weeks, 81% of the asymptomatic people saw a reduction in neutralizing antibodies compared with 62% of symptomatic patients.https://www.cnbc.com/2020/06/18/coronavirus-antibodies-may-last-only-2-to-3-months-after-infection-study-suggests.html