Beijing: Everyone is eagerly waiting for the vaccine to deal with the Covid-19 epidemic worldwide. A race has started between many countries of the world to make vaccines. Where Russia, America, Britain and China are currently ahead in this race. After this central Russia, now China's first Covid-19 vaccine has also been approved. According to media reports, China's vaccine Ad5-nCoV has been patented. This vaccine has been created with the help of CanSino Biologics Inc. The National Intellectual Property Administration, giving notice of the patent, has said that this patent has been approved on August 11. Phase 3 of this Chinese vaccine is being trialled in many countries of the world and is expected to hit the market by the end of this year. Saudi Arabia said that they are planning to start the third phase of this Chinese vaccine test. Casino Biologics has reported that it is also in talks with Russia, Brazil and Chile for a Phase III trial. China's Sinopharm company vaccine has also entered the third phase. Researchers have reported that the first and second stage trials showed good results. According to the company, the third phase of the vaccine trial will be completed in 3 months. The company is claiming that its vaccine will be ready by the end of this year. On the other hand, day and night working for Covid vaccine is going in India. Three vaccines are being tried in various stages in the country. Hyderabad-based Bharat Biotech has started a human trial of the indigenous coronavirus vaccine Covaxin in collaboration with ICMR. Ahmedabad-based pharmaceutical company Zydus Cadila Vaccine Zykov-D has also started a human clinical trial. The company has said that the vaccine may be launched by next year. While the Pune-based Serum Institute of India has obtained the permission of the Drug Controller General of India to start a test in India for a vaccine developed by Oxford University and Astra Janeca. Clinical trials of 29 covid vaccines are currently underway worldwide. Additionally, there are 138 vaccines that are in the pre-clinical stage. Experts say that Corona's safe vaccine could arrive by early next year. It takes 10-12 years to develop any vaccine and market it, but in view of the outbreak of Covid, this process is becoming very fast. Also Read- The world moving towards 'nuclear war', signs of preparations from powerful countries Italy closes dance venues for 3 to curb coronavirus 3 trials of Russia's corona vaccine started, many questions arises