Covid, people still had an 88 percent lower risk of reinfection, hospitalisation and death. That makes this natural immunity "at least as durable, if not more so" than two doses of Pfizer or Moderna's vaccines, the study said.
The authors nevertheless emphasised that their findings should not discourage vaccination, which remains the safest way to get immunity. Also Read: Men at higher risk from Covid-19.
Researchers say THIS is why The study was led by the US-based Institute for Health Metrics and Evaluation (IHME) which said that it was the most comprehensive analysis on how long protection lasts for the different forms of immunity. Also Read: Are Covid-19 vaccines affecting the heart?
What doctors say The researchers reviewed 65 studies from 19 countries up to September 2022, meaning some covered the period when Omicron swept across the world.