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The spread of SARS-CoV-2 shows just how fast infectious agents can move with human travel. The impact of increasing antibiotic resistance is no different.
Supercomputers are being used in many facets of responding to Covid-19, including to predict spread of the virus, design vaccines and understand sneezes.
Only a handful of cities and districts in India are currently publishing anywhere near the kind of Covid-related data that the Home Ministry wants states to use and consider.
Called the angiotensin-converting enzyme 2, or ACE2, the protein provides the entry point for the coronavirus to hook into and infect human cells.
The molecule that the coronavirus attacks in our bodies – Angiotensin Converting Enzyme 2 – is present not just in our lungs, but in our gastrointestinal tract as well.
Past epidemics tell us that survivors have compromised immune systems. A study of SARS showed people were falling sick more frequently than others for as long as 12 years.
There are more people coming into contact with wildlife species, as agriculture, forestry, mining & oil exploration destroy animals' natural habitats.
Evidence from earlier studies suggests having a coronavirus once does not make someone totally immune in the future.
In South Korea, more women than men tested positive for the coronavirus but 54 per cent of those who died due to the infection were men.
China informed WHO on 31 December, but there is evidence that the coronavirus had spread among humans as far back as mid-October. Yet, WHO showed no urgency.