An acute respiratory syndrome (COVID-19), caused by a novel coronavirus (SARS-CoV-2)
with a high rate of morbidity and elevate mortality, has emerged as one of the most important …

Abstract Coronavirus disease (COVID-19) has infected more than 50 million people and
killed more than one million, worldwide, during less than a year course. COVID-19, which …

Background Understanding how HLA polymorphisms may affect both susceptibility, course
and severity of Covid-19 infection could help both at the clinical level to identify individuals …

While the COVID-19 pandemic is still in progress, being under the fifth COVID-19 wave in
Madrid, over more than one year, Spain experienced a four wave pattern. The transmission …

During the ongoing global COVID-19 pandemic disease, like several countries, Romania
experienced a multiwaves pattern over more than two years. The spreading pattern of SARS …

The COVID-19 pandemic has caused a huge loss of human life globally. However, few
studies investigated the link between exposure to green space and risk of COVID-19 …

Abstract Background Since February 2020, the COVID-19 epidemic has rapidly spread
throughout Italy. Some studies showed an association of environmental factors, such as PM …

We investigated SARS-CoV-2 transmission dynamics in Italy, one of the countries hit hardest
by the pandemic, using phylodynamic analysis of viral genetic and epidemiological data. We …

COVID-19 is a global pandemic with uncertain death rates. We examined county-level
population morality rates (per 100,000) and case fatality rates by US region and rural-urban …

As a pandemic hotspot in Japan, between March 1, 2020–October 1, 2022, Tokyo
metropolis experienced seven COVID-19 waves. Motivated by the high rate of COVID-19 …