Any Covid-19 vaccine? All nations and the entire world humanity was eagerly awaiting the precious announcement from at least one top nation that its scientists have successfully completed clinical trials of Covid-19 vaccine. When expectations were running high that it would be China, where the novel coronavirus had its origin in the city of Wuhan, unexpectedly Russia has announced first ...

The worldwide Zika threat first emerged in 2015, infecting millions as it swept across the Americas. It struck great fear in pregnant women, as babies born with severe brain birth defects quickly overburdened hospitals and public health care systems. In response, there has been a flurry of heroic scientific efforts to stop Zika. Whole governments, academic labs and pharmaceutical companies ...