Covid-19 immunity may last just six months, study finds
Amsterdam University researchers followed 10 people for an average 35 years
Infected patients enjoyed an 'alarmingly short duration of protective immunity'
Antibody levels plummeted by 50% after half a year and 75% after nine months
View the full story here: https://www.dailymail.co.uk/news/article-8430833/Covid-19-immunity-just-six-months-study-finds.html