OREANDA-NEWS. A vaccine against coronavirus, developed by the American company Pfizer and the German enterprise BioNTech, showed more than 90 % effectiveness during tests, its manufacturers informed.

“Today is a great day for science and humanity. The first set of results from our phase 3 Covid-19 vaccine trial provides the initial evidence of our vaccine’s ability to prevent Covid-19,” Pfizer head Albert Burla said.

The third phase of trials began on July 27. The number of participants was 43 thousand, almost 40 thousand have received the second dose of the potential vaccine so far.

The companies will collect information on vaccine safety until mid-November, and then all information will be transferred to the US Food and Drug Administration. According to the American media, if the regulator urgently approves the medication, the first doses of the vaccine will be available to doctors by the end of the current year.

US President Donald Trump has already reacted to these results, calling them “great news.” “Stock market up big, vaccine coming soon. Report 90 % effective. Such great news!” the head of the White House wrote on his Twitter account.