Sputnik V

currently there are about 165 different vaccines for covid-19 being developed around the world. the main types of vaccines include: viral vector-based vaccines, virus-based, nucleic acid-based and protein-based vaccines. russian adenovirus vector-based vaccine was registered by the russian ministry of health on august 11 and became the first registered covid-19 vaccine on the market. the announcement created a so-called “sputnik moment” for the global community. after the start of the covid-19 pandemic, russian researchers extracted a fragment of genetic material from novel coronavirus sars-cov-2, which codes information about the structure of the spike s-protein, which forms the virus’ “crown” and is responsible for connection with human cells. they inserted it into a familiar adenovirus vector for delivery into a human cell creating the world’s first covid-19 vaccine. in order to ensure lasting immunity russian scientists came up with a breakthrough idea to use two different types