Not in the UK (yet), although you may be eligible for a third dose. A booster is given to people who have received full vaccine course and developed good response. That immune response often wanes over time, so doses are “boost” previous levels. Third being immunocompromised such that their was likely been lower. Immune systems can …

The Silent Spring is now the zero-kilometer stone of environmental movements related to plant protection, a fundamental piece work that projects visions for us in literary English. Compared Carson’s era, number pesticides can be used has increased by sixfold. It grew from 50 pesticide active ingredients 1960s over 350 2001-2002 and stabilized at around 250 compounds 2008 because EU’s re-registr...

Unfortunately, many people in the UK aren’t eligible so can’t take advantage of this. Indirectly. As has left EU, it now separate systems and regulations its citizens lost right to free movement. Meanwhile, EU launched a digital covid certificate facilitate movement, which will be issued recognised by all states. The contains QR code showing that …

Institute of Mathematics, Academy of Sciences of the Czech Republic, provides access to digitized documents strictly for personal use. Each copy of any part of this document must contain these Terms of use. This paper has been digitized, optimized for electronic delivery and stamped with digital signature within the project DML-CZ: The Czech Digital Mathematics Library http://project.dml.cz