More than 4.62 billion doses of Covid-19 vaccines have been administered worldwide as the biggest vaccination campaign in history is underway, according to Our World in Data, a tracking website affiliated with Oxford University.

Data on the website shows that China, where the coronavirus first emerged in late 2019, leads the global count with over 1.83 billion shots.

India comes second with more than 523.67 million jabs, followed by the US with around 353.86 million.

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Brazil has administered over 160.06 million shots, while the figure stands at 108.18 million in Japan.

Meanwhile, Germany has administered over 96.85 million shots, followed by the UK with 87.18 million doses.

France and Indonesia have given more than 79.29 million and 79.05 million vaccine jabs, followed by Mexico, Italy, Russia, Spain, and Canada.

So far, Bangladesh has administered at least 20,889,928 doses of Covid vaccines – enough to have vaccinated around 6.3% of the country's population, assuming every person needs two doses.

Most vaccines are given in two doses, and some countries such as Turkey are also administering third booster shots.

The number of Covid-19 cases around the world now stands at almost 207 million, including nearly 4.36 million deaths, according to Johns Hopkins University.

Getting vaccinated prevents severe illness, hospitalisations, and death; and with the Delta variant; this is more urgent than ever, according to the US Centers for Disease Control and Prevention.

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However, at the current pace of 38.2 million doses a day, the goal of high levels of global immunity remains a long way off as countries and regions with the highest incomes are getting vaccinated more than 20 times faster than those with the lowest, according to Bloomberg.