By Martta Kelly
Older adults are more susceptible to COVID-19 complications, especially if they have preexisting conditions such as rheumatoid arthritis (RA).
Long COVID-19 syndrome occurs in 10% to 20% of patients who are infected with SARS-CoV-2, with new symptoms appearing within three months of the initial diagnosis, and it may last more than eight weeks, according to a study published in Annals of Epidemiology. A knowledge gap exists, however, about risk factors for long COVID, particularly