As the highly infectious Delta variant challenges pandemic control efforts around the world, a great unknown looms large: what might the virus behind Covid-19 do next? Scientists widely agree that new mutations of Sars...
“Equitable access to COVID-19 vaccines represents the clearest pathway out of this pandemic for all of us — children included, and commitments announced by G7 members…are an important step in this direction”, the...
The emergence of several, more infectious strains of the novel coronavirus SARS-CoV-2 has worried governments and scientists, who are investigating how and why the virus became more transmissible. Like all viruses, SARS...