Why winter throats burn more, and what’s actually going on Massachusetts winters close windows, dry the air, and bring classrooms, rinks, offices, and family gatherings into tight indoor spaces. Viruses like rhinovirus, influenza, RSV, and COVID-19 love that setup, and the dry air irritates your throat lining, so every tickle feels worse. Most winter sore throats are viral and improve with time. But strep throat, a bacterial infection caused by Group A Streptococcus, needs ...