Pharyngitis - red flag symptoms Significant pathologies that need to be considered when patients present with sore throat include group A streptococcus infection, COVID-19, HIV, quinsy, and some STIs writes Dr Pipin Singh. by Dr Pipin Singh Sign in to continue Sign In Email address Password Stay signed in Trouble signing in? Reset password: Click here Need help? Email us Register FREE Limited free articles a month Free email bulletins Register Now Register Now Take a 30-day trial Join MIMS now and pay nothing for the first 30 days Join GPOnline now and pay nothing for the first 30 days Sign Up Sign Up