Doctors studying if vaccine helps relieve ongoing COVID symptoms By Jennifer Kendall Doctors studying if vaccine helps relieve ongoing COVID symptoms As more people are able to get a COVID vaccine, some early reports suggest the shot may be helpful for those considered to have long COVID. AUSTIN, Texas - Doctors are studying why some people who suffer from long-haul effects of coronavirus seem to find relief from their symptoms after getting a COVID-19 vaccine. A small number of patients infected with COVID-19 suffer from lingering symptoms for several weeks or even months. Some have even claimed to have ongoing headaches, loss of smell or taste, and shortness of breath one year after their diagnosis.