To prevent the spreading of the British and South African mutations of Covid-19,as of the 9 th until the 17 th of January, Denmark is banning all passenger flights to the country. The ban will allow passenger flights only under the..
“There are more than 7 Covid-19 genetic lines circulating in the world. The most widespread in Bulgaria is the line which is predominant in Europe and USA. There are 3 more genetic lines circulating in the country. One of them is the original one..
