A man receives the Pfizer Covid-19 vaccine in West New York, US. Photo: AP A man receives the Pfizer Covid-19 vaccine in West New York, US. Photo: AP
A man receives the Pfizer Covid-19 vaccine in West New York, US. Photo: AP
Nathan Bartlett
Opinion

Opinion

Nathan Bartlett

Why mRNA Covid-19 vaccines like Pfizer’s jab should be part of a long-term public health strategy

  • Our immunity to the virus wanes over time and the advantage of mRNA vaccines like Pfizer’s is they’re much easier to update than the ‘viral vector’ shots like AstraZeneca’s
  • We should still use the AstraZeneca vaccine now for over-50s – as any immunity is better than none and it will protect you from severe Covid-19, Nathan Bartlett says

A man receives the Pfizer Covid-19 vaccine in West New York, US. Photo: AP A man receives the Pfizer Covid-19 vaccine in West New York, US. Photo: AP
A man receives the Pfizer Covid-19 vaccine in West New York, US. Photo: AP
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Nathan Bartlett

Nathan Bartlett

Nathan Bartlett is Associate Professor, School of Biomedical Sciences and Pharmacy, University of Newcastle in Australia, and head of the Viral Immunology and Respiratory Disease group. He is based at the Hunter Medical Research Institute. He also retains an honorary academic appointment at Imperial College London, UK to continue collaborative research.