All COVID-19 articles – Page 26
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NewsIntranasal COVID vaccine works against variants in animals
Researchers have developed an intranasal vaccine against Covid-19 that can fight off the original virus and two variants in hamsters.
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NewsmRNA vaccines significantly reduce severity of Delta, Omicron COVID-19 infections
People who have received several doses of an mRNA COVID-19 vaccine are more likely to have milder illnesses if infected with Delta or Omicron variants than those who are unvaccinated.
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NewsNew Omicron subvariant largely evades neutralizing antibodies, raising spectre of increased Covid infections this winter
A study at Karolinska Institutet in Sweden shows that the coronavirus variant BA.2.75.2, an Omicron sublineage, largely evades neutralizing antibodies in the blood and is resistant to several monoclonal antibody antiviral treatments.