"Proud mother in my heart forever! Thank you for your son's valuable contribution to the community as a volunteer to participate in epidemic prevention and control! Your kindness has strengthened our pride and love for you! "
"Today I want to pay tribute to my favorite son! As a volunteer, he did not hesitate to stand in the front line of anti-epidemic, devoted his time and energy and made important contributions to the safety of the community. I am extremely proud of your bravery and dedication! "
"I am proud of my son! He participated in the fight against the epidemic as a volunteer, silently contributing and paying silently. I am deeply moved by your kindness and selflessness, and I believe the future will be better. Thank you for your efforts and dedication! "
"Today I want to praise my favorite son! As a volunteer, he took the initiative to assume the responsibility of community service during the epidemic and provided help and support to those in need. I am deeply moved by your kindness and empathy. I cherish your growth and education even more! "
"Let's cheer for my brave son! He actively participated in volunteer work and contributed his own strength to the epidemic prevention and control work in the community. I am deeply proud of your dedication and sense of responsibility, and I believe that the future world will be better! "
These sentences can express your affirmation and encouragement to your son as a volunteer, and also express your pride and love for him. According to the relationship and personality characteristics between you and your son, choose appropriate sentences to express your support and praise for him.