"sars"

The PETA billboard campaign is a multi-city effort to spread awareness about vegan lifestyle and its positive impact on environment and even health of individuals.

The research revealed that coronaviruses and their hosts are engaged in an evolutionary arms race that promotes genetic variety in the virus

The researchers, including Pradipta Ghosh from the University of California San Diego, indicated two telltale signatures.

One of China's top virus research labs, the institute built an archive of genetic information about bat coronaviruses after the 2003 outbreak of Severe Acute Respiratory Syndrome.

Now experts in Germany and Cyprus say they have estimated the proportion of deaths from coronavirus that can be blamed of the exacerbating effects of air pollution.

While all serum samples reacted strongly with the S and S2 proteins, they reacted more weakly with the S1 and RBD proteins.