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Bloomberg: More than 518 million doses of the Corona vaccine have been given in 140 countries so far

The largest vaccination campaign in history is taking place against the Corona virus, as more than 518 million doses have been given in 140 countries so far, according to data collected by the American agency "Bloomberg", at a rate of about 13.1 million doses per day.

According to the report, in the United States, more Americans received at least one dose than what had been confirmed to be infected with the virus since the start of the epidemic so far, 137 million doses were given last week, an average of 2.62 million doses were given per day.

The report "Bloomberg" stated that the plan to distribute vaccines in the world occurs as if it were a life-and-death competition between a vaccine and a virus, especially in light of new strains threatening to spread the disease again, in the early stages of the campaign, other susceptibility factors often outweigh the impact of vaccines: viral mutations Seasonality, effectiveness of muzzle use, and social distancing over time, high vaccination rates should reduce the burden of the Corona virus around the world, as providing billions of vaccines to stop the spread of Corona around the world is one of the biggest logistical challenges ever.

On the other hand, the American company Pfizer has begun testing its vaccine against the Corona virus on children no older than six months and up to 12 years old, and about 144 participants will receive a two-dose vaccine in three different doses to test for safety, and the trial will be expanded later to include 4,500 participants to test whether the vaccine is Effective in preventing corona infection in children or not.

According to a report by the British newspaper "Daily Mail", the American company Pfizer and its German partner Biontech have begun testing the Corona virus vaccine on children at young ages, and Pfizer spokeswoman Sharon Castillo said that the first volunteers in the early stage of the experiment received the first injections, and the companies hope that they can be able From expanding vaccination to that age group by early 2022

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