Cases of recurrence of clinical symptoms of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) after completion of treatment with nirmatrelvir–ritonavir have been reported by researchers 1 ...
Since the start of the SARS-CoV-2 pandemic, several variants of the virus have developed into Variants of Concern (VOCs), as classified by the World Health Organization (WHO). VOCs are virus variants ...
Since the SARS-CoV-2 pandemic began three years ago, its origin has been a topic of much scientific — and political — debate. Two main theories exist: The virus spilled over from an animal into people ...
The 2024-2025 COVID-19 vaccines offered significant protection, particularly for younger children, against COVID-19-associated emergency department and urgent care visits among US pediatric patients, ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback