What Does Vaccination Data Tell Us?
March 15, 2021
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by Snigdh Baunthiyal

With Covid-19 vaccinations being rolled out in most parts of the world, vaccine data has shown some interesting trends. According to Bloomberg’s vaccine data tracker, the latest vaccination rate is 4,686,070, doses per day, globally.  More than 131 million doses have been administered in 73 countries, and at the current rate, it is estimated that it will take around 7 years to vaccinate 75% of the world population.

While the trend is pointing towards more people agreeing to get vaccinated, especially in the USA, where anti-vaxxers have been quite vocal since news of the Covid-19 vaccine came out, the data around vaccine doses is telling a different story in different countries.

Israel
Israel’s vaccine rollout has been praised from day 1 and the country’s researchers have said that the vaccines have helped in curbing infections and hospitalisation among older people. The researchers have used 6 weeks’ worth of data to determine this. Israel is also the first country to release data showing the vaccine working. At least 90% of the population aged 60 and above have received their first shot of Pfizer’s two-dose vaccine. The data shows that in the age group of 60 and above, there has been a 41% drop in confirmed Covid-19 infections and a 31% drop in hospitalisations.

United Kingdom
A group of researchers in the United Kingdom say they have seen early signs that Pfizer’s vaccines have contributed to a drop in health-care workers testing positive for the virus. Vaccinated health-care workers were 53% less likely to test positive for SARS-CoV-2 12 days after their first dose than were unvaccinated workers. This analysis was based on about 13,000 vaccinated people and about 33,000 unvaccinated people who reported their results using a mobile-phone app. 

The Netherlands
Up until now, the total number of administered doses was reported on a Government dashboard that collected data from the institutions giving the shots. But the health ministry has now adjusted its method resulting in two different numbers and generally adding to the confusion.

According to the Health Ministry, there was an underreporting of vaccine numbers from hospitals and long-term care facilities, so they came up with a new system. The ministry’s method works on a ‘mathematical assumption’ of the number of vaccines which have been given. the ministry has warned that another change may be on the way: It plans to use automated data from long-term care facilities that will feed into the central registration system of the National Health Authority

Brazil
Brazil is yet to roll out its vaccination data and Almost two weeks after national vaccinations began, Brazil is still not reporting consolidated figures. Officials say there are technical issues preventing the Health Ministry from publishing data it receives from local governments.

South Africa
South Africa will suspend use of AstraZeneca’s Covid-19 shot in its vaccination programme after data showed it gave minimal protection against mild to moderate infection caused by the country’s dominant coronavirus variant.
The Health Ministry has announced that it will work with the country’s scientists to determine how best to proceed. The government had intended to roll the AstraZeneca shot out to health-care workers soon, after receiving 1 million doses produced by the Serum Institute of India on Monday.

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