There is no need to receive a third dose of the new coronavirus vaccine after receiving Concinol. Concinol vaccine is a type of new coronary pneumonia vaccine, belongs to the adenovirus vector vaccine, itself has a certain biological activity, so you only need to vaccinate one shot, the protection efficiency is high, can reach about 68.83%, after 40 days of vaccination, the protection efficiency can reach 95.47%, so you only need to vaccinate one shot, no need to vaccinate a third shot of the new coronary vaccine. It should be noted that, after the vaccination of Concinol vaccine need to be observed for about 30 minutes, without any adverse reactions, you can leave, in addition, some people may experience headache and fatigue, muscle pain, drowsiness, nausea, vomiting, loss of appetite and other adverse reactions, which is a normal phenomenon, do not need to be overly concerned about it, generally can be relieved on their own. If the symptoms of adverse reactions have not been relieved, you should go to the hospital in time, after clarifying the cause of the disease under the guidance of professional doctors for standardized treatment.