Medical Health Cluster


Challenges of Deciding Whether and How to Update COVID-19 Vaccines to Protect Against Variants

Seasonal influenza vaccines are updated every year, depending on what strains are circulating globally, leaving many people—especially those who still contracted COVID-19 after 2 booster shots—wondering why vaccines against SARS-CoV-2 haven’t changed as variants have come and gone. Currently available COVID-19 vaccines are based on the spike protein of Wuhan-Hu-1, […]

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BioNTech CEO Says Vaccine Likely to Protect Against Severe COVID From Omicron

BioNTech and Pfizer’s COVID-19 vaccine will likely offer strong protection against any severe disease from the new Omicron virus variant, BioNTech’s Chief Executive told Reuters, as the firm weighs the need to upgrade its commonly used shot. Lab tests are underway over the next two weeks to analyse the blood […]

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Delta Variant Increases Hospitalisation but Vaccines Continue to Protect

The Delta variant of COVID-19 is associated with approximately double the risk of hospitalisation compared with the Alpha variant, according to a new nationwide study published as a research letter in The Lancet. Two vaccine doses still provide strong protection against the Delta variant but it may be at a lower […]

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