Experts Compare between 5 Most Important COVID Vaccines

The world is now witnessing the largest vaccination campaign, with many countries in the world announcing the start of distributing Corona vaccines "COVID 19", while vaccination campaigns are expected to run until the middle of next year so more than half of the planet's population will be vaccinated.

Among the most prominent world vaccines that have announced the results of their experiments and have proven highly effective are the American Pfizer and Moderna vaccines, the AstraZenka vaccine in cooperation with the University of Oxford, the Chinese Sinopharma vaccine, and the Russian Sputnik vaccine.

Experts compare these vaccines in terms of the number of necessary doses, and their effectiveness against the Coronavirus, to the temperature needed to store it.

1-Chinese Sinopharm Vaccine

• Vaccine type: An inactive version of the Coronavirus is transmitted
• Number of doses: 2
• Effectiveness: 90 %
• Storing: 2/-8 C
• Price is $ 74 per dose

2- Moderna Vaccine

• Vaccine type: RNA
• Number of doses: 2
• Effectiveness: 94.5%
• Preservation and storage: -20 ° C
• Price: $ 25-37 per dose

3- Russian Sputnik Vaccine:

• Vaccine type: viral vector technology
• Number of doses: 2
• Effectiveness: 91 and 4
• Preservation and storage: -18
• Price: $ 10 for a dose

4- Oxford-AstraZeneca vaccine:

• Vaccine type: viral vector technology
• Number of doses: 2
• Effectiveness: 70%
• Preservation and storage: 2 / -8 ° C
• Price: $ 3-4 for a dose

5-Pfizer-BioNTech COVID-19 Vaccine:

• Vaccine type: RNA technology
• Effectiveness: 95%
• Preservation and storage: -70 ° C
• Price: $ 20 per dose