Why did these countries overcome the Corona epidemic faster than others?

After hundreds of millions of people have now been vaccinated against the "Covid-19" disease caused by infection with the Coronavirus, it is imperative that the virus has begun to disappear from the places where a large part of the population received the vaccine. However, this did not happen everywhere, according to Bloomberg News.

 Instead, two pathways currently emerge, namely: In countries like Israel, the numbers of new cases of coronavirus infection decrease as vaccinations spread, but in other places like Seychelles - whose population more than any other country has received the full vaccine The numbers of new cases that are being registered are increasing, or even reaching unprecedented high levels.

 One of the reasons for this may be the use of different types of vaccines.

 Evidence from the currently expanding global vaccination campaigns indicates that the “messenger RNA” (MRNA) vaccines developed by Moderna or Pfizer and Biontech are better at preventing people from getting sick. They become infectious, which helps reduce person-to-person transmission of the virus - an additional, unexpected benefit, as the first wave of vaccines was aimed at preventing people from becoming severely ill.

 Although other vaccines are effective in preventing severe illness or death as a result of "Covid-19" disease, they do not seem to have this additional advantage to the same degree, according to the agency "Bloomberg".

 "This will be an increasing trend as countries begin to realize that some vaccines are better than others," said Nikolai Petrovsky, a professor at the School of Medicine and Public Health at Flinders University in South Australia.

 Petrovsky said that while using any vaccine "is still better than nothing," some doses "may have little benefit in terms of preventing the spread of infection, even if they reduce the risk of death or severe illness."

 Studies of millions of people who were vaccinated with the "Pfizer-Biontech" vaccine in Israel show that "messenger RNA doses" prevented more than 90 percent of asymptomatic cases.

 This is important, says Raina McIntyre, an epidemiologist at the University of New South Wales in Sydney, because the ability of the vaccine to stop the occurrence of asymptomatic infection "determines whether" herd immunity "is possible or not.

 Herd immunity is usually achieved when the virus cannot find any vulnerable host in order to continue spreading.

 Therefore, it is possible that the vaccines that any country can provide for its citizens can affect everything from the policy related to the use of masks and maintaining social distancing, to the lifting of restrictions imposed at borders and the revitalization of economies, given the impact of the number of daily infections on the decisions it makes. The government, according to Bloomberg Agency.

 For individuals, it may determine how quickly they can regain their freedoms and the life they were living before the outbreak of the Corona pandemic.

 Indeed, differences in vaccine efficacy lead to brands being preferred in countries where there is more than one type of vaccine.

 In the Philippines, instructions were issued to vaccination centers not to announce the type of vaccines that are given to citizens, after a group of people gathered at one of the sites, hoping to obtain the "Pfizer" vaccine.

 In the United States, nearly 40 percent of citizens received the complete vaccine, most of whom received "messenger RNA doses", and the number of daily new infections has decreased by more than 85 percent over the past four months.

 There is a similar clear path in Israel, which vaccinated nearly 60 percent of its population completely, using the Pfizer-Bionic vaccine, and gradually lifted restrictions in light of the decrease in the number of new cases that are registered to less than 50 cases per day, compared to More than 8,000 registered at the beginning of this year, according to Bloomberg.

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