Russia and Ukraine got into an armed conflict on 24 th February 2022. In addition, the World
Health Organisation still warns of a fast growth in infections and deaths. Infectious disease …

Methods To clarify the presence of a natural collective immunity, the visible and actual
characteristics of the COVID-19 epidemic in Ukraine were estimated based on the number of …

Background Record numbers of new cases and deaths registered in Japan and European
countries in early 2022 once again proved that existing vaccines cannot stop the new …

To investigate the effectiveness of quarantine, testing and vaccination, diff erent relative
characteristics (calculated per capita) can be used. In particular, such values are regularly …

To investigate the infectivity of new strains of SARS-CoV-2, effectiveness of quarantine,
testing and vaccination, different relative characteristics (calculated per capita) can be used …

The averaged daily numbers of new COVID-19 Cases per Capita (DCC) and Deaths per
Capita (DDC) may indicate the effectiveness of quarantine, testing, vaccination, treatment …

The daily number of new COVID-19 cases and deaths per capita are important
characteristics of the pandemic dynamics indicating the appearance of new coronavirus …

The sharp increase in the number of new COVID-19 patients in India in the second half of
April 2021 has caused alarm around the world. A detailed analysis of this pandemic storm is …

New waves of the COVID-19 pandemic in Europe, which began in the autumn of 2021, are a
matter of great concern and the need to immediately predict the epidemic dynamics in order …

The relative accumulated and daily characteristics of the COVID-19 pandemic dynamics in
Africa were used to find links with the gross domestic product per capita (GDP), percentages …