A painful sore throat, often referred to as "razor blade throat", is just one of the symptoms of a new COVID-19 variant. This variant is currently being monitored by the World Health Organization.
The 2024-2025 mRNA COVID-19 vaccine provided moderate protection against severe outcomes, including hospitalizations and ED visits.
A fourth dose of bivalent or monovalent BA.1-adapted BNT162b2 vaccines was safe and elicited robust neutralizing responses in adults aged 18 to 55 years.
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