م مقاله کنفرانسی سال ۱۴۰۲ ۳۰۵ مشاهده Symptoms and Outcomes of COVID-۱۹ in Elderly Recipients of Influenza and COVID-۱۹ Vaccines Background: Health providers and policymakers aim to prevent or reduce the severity of disease outcomes… COVID-۱۹SymptomsVaccines