coronavirus could be protected against the disease “for many years” afterwards, according to a groundbreaking new study. Most people who contract Covid-19 develop “robust” levels of antibodies and immune cells, according to the researchers from La Jolla Institute in California, the US.They still had them six to eight months later, providing immunity.Even once they had faded, the body could “remember” Covid and protect the patient from severe illness.The team studied blood samples from 185 men and women, aged from 19-81, who had overcome coronavirus.Their longer-term antibodies – immunoglobulin G (IgG) – and T cells, which are tasked with killing infected cells, were both slow to decay.Almost all of the patients developed B cells, which.