The most economical syringes are 1 ml syringes combined with 23G needles. Earlier, the head of the World Health Organization Tedros Adhanom Ghebreyesus called on European countries to give priority to vaccination against the coronavirus COVID-19 of vulnerable populations instead of revaccination of those already vaccinated. Plot of a novel coronavirus pandemic that spread from China

Alexander Gintsburg, Director of the Gamaleya Research Center for Chemistry, said that it is necessary to revaccinate with Sputnik Light once every six months, RIA Novosti reports. In the guidelines of the Ministry of Health on vaccination it is said that every six months in a difficult epidemiological situation it is necessary to revaccinate '', & mdash; He explained. Источник aif.ru Earlier, the media reported that scientists & nbsp ; found a way to & nbsp; save COVID-19 vaccine.