A woman receives a dose of the Pfizer Covid-19 vaccine in California, US. Photo: Orange County Register via ZUMA/DPA A woman receives a dose of the Pfizer Covid-19 vaccine in California, US. Photo: Orange County Register via ZUMA/DPA
A woman receives a dose of the Pfizer Covid-19 vaccine in California, US. Photo: Orange County Register via ZUMA/DPA

Pfizer testing third dose of coronavirus vaccine to protect against variants

  • Pfizer and BioNTech believe their current two-dose vaccine will work against the South African variant as well as one found in the UK and elsewhere
  • But the new studies will allow the companies to be prepared if and when more protection is necessary

Topic |   Coronavirus pandemic
A woman receives a dose of the Pfizer Covid-19 vaccine in California, US. Photo: Orange County Register via ZUMA/DPA A woman receives a dose of the Pfizer Covid-19 vaccine in California, US. Photo: Orange County Register via ZUMA/DPA
A woman receives a dose of the Pfizer Covid-19 vaccine in California, US. Photo: Orange County Register via ZUMA/DPA
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