The Daily Chat Box 2021- Educational Posts on Science and Technology

Contents [ hide ]   How do Diseases Spread and how to Prevent it? We live in an interconnected, increasingly globalized world. Unfortunately, due to international jet travel, infected people and the diseases they carry can be spread to any city on the planet in a matter of hours. Why do Pandemics spread very easily?  Once a virus mutates, sometimes all it takes is one sneeze to spread the infection to other humans. When humans were hunter-gatherers, roaming the wild savannas, we were never in one place long enough, and settlements weren't large enough to sustain the transmission of infectious microbes. But with the advent of the agricultural revolution 10,000 years ago, and the arrival of permanent settlements in the Middle East, people began living side-by-side with animals, which made the diseases from cattle spread to humans. Cholera Pandemic   Epidemics and pandemics are available in many shapes and forms. In 2010, as an example, a devastating earthquake struc...

Contents [ hide ]  10 Things about the new Zydus Cadila Vaccine that you don't know! India has approved Zydus Cadila's Covid-19 vaccine. making it the 6th vaccine to be approved for use in India after Covishield (Serum Institute), Covaxin (Bharat Biotech), Sputnik V (Russia), Moderna (USA) and Johnson&Johnson (USA).  Here are 10 things you did not know about India's Zydus Cadila's Covid-19 Vaccine- 1. It is the first Indigenous DNA vaccine Zydus is an Indian Pharmaceutical Company that has made the first DNA vaccine for Covid-19. DNA vaccines are cost-effective and stable. They signal the immune system to fight the virus once injected. 2. It is needleless Many people are afraid of needle vaccines because they are painful and slow. They also have more side effects. ZyCoV-D (Yes, that's its name) is intradermal and uses the PharmaJet technology. In PharmaJet, a thin tube is used to penetrate the skin in a 10th of a second so you don't feel any pain. 3. ...

Contents [ hide ] How the Pandemics in the Past ended Pandemics have been troubling humanity for centuries. Overview Pandemics have been troubling humanity for centuries.  Though Covid-19 has caused loss of lives worldwide, it is not the deadliest Pandemic. In fact, its cousins, SARS and MERS are much more deadly.  History has seen even more ready diseases such are The Black Death and the infamous Spanish Flu pandemic. So I have prepared a list of how the pandemics in the past ended. Pandemics and Epidemics are also common now. What is Herd Immunity? Most pandemics end through a process called herd immunity. It is a process through which majority of pandemics end 1. The Black Death-Imposition of Quarantine Black Death, also known as Bubonic Plague was a pandemic caused by the bacterium Yersinia Pestis . It was a devastating Pandemic that started when 12 ships from the Black Sea docked at the port on Messina. When the people arrived, they saw a terrifying sight. Many sa...