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  2. Sinopharm BIBP COVID-19 vaccine - Wikipedia

    The vaccine may have characteristics favorable for vaccinating people in the developing world. While mRNA vaccines, such as the Pfizer–BioNTech COVID-19 vaccine and Moderna COVID-19 vaccine showed higher efficacy of +90%, mRNA vaccines present distribution challenges for some nations, as some may require deep-freeze facilities and trucks.

  3. Oxford–AstraZeneca COVID-19 vaccine - Wikipedia–AstraZeneca_COVID...

    The Oxford–AstraZeneca COVID‑19 vaccine, sold under the brand names Covishield and Vaxzevria among others, is a viral vector vaccine for prevention of COVID-19. Developed in the United Kingdom by Oxford University and British-Swedish company AstraZeneca , [30] [31] [32] using as a vector the modified chimpanzee adenovirus ChAdOx1 . [33]

  4. mRNA vaccine - Wikipedia

    An mRNA vaccine is a type of vaccine that uses a copy of a molecule called messenger RNA (mRNA) to produce an immune response. The vaccine delivers molecules of antigen-encoding mRNA into immune cells, which use the designed mRNA as a blueprint to build foreign protein that would normally be produced by a pathogen (such as a virus) or by a cancer cell.

  5. CoronaVac - Wikipedia

    As of 7 July 2021, CoronaVac is the most widely used COVID-19 vaccine in the world, with 943 million doses delivered globally. In July, Sinovac signed advanced purchase agreements with GAVI to supply COVAX with 50 million doses in the third quarter of 2021 and up to a total of 380 million doses by the first half of 2022.

  6. COVID-19 vaccination in Singapore - Wikipedia

    On 30 December 2020, Singapore became the first country in Asia to start its COVID-19 vaccination campaign. The vaccine is free for all Singaporeans and long-term residents. Health workers, other frontline workers and seniors were the first inoculated with the vaccine jointly developed by BioNTech and Pfizer. 2021

  7. Convidecia - Wikipedia

    The COVID-19 Immunisation Task Force has prioritised the single-dose vaccine for communities living in remote areas including the Orang Asli as well as the homeless and undocumented individuals. Priority states for the CanSino vaccine include Sabah , Johor , Kedah , Kelantan , Perak , Sabah and Terengganu .

  8. COVAX - Wikipedia

    UNICEF is the key delivery partner, leveraging its experience as the largest single vaccine buyer in the world and working on the procurement of COVID-19 vaccine doses, as well logistics, country readiness and in-country delivery. By 19 October 2020, 184 countries had joined COVAX. COVAX began distributing vaccines in February 2021.

  9. COVID-19 pandemic in Bangladesh - Wikipedia

    The case fatality ratio for COVID-19 has been much lower than SARS of 2003, but the transmission has been significantly greater, with a significant total death toll. [20] [18] Bangladesh faces significant challenges in combating COVID-19 as it is a densely populated country and also houses a million stateless Rohingya refugees in sprawling ...