COVID-19: have we survived worse than this? Ansha Khurana Abstract Covid-19 is a contagious disease that causes respiratory illness. From the 11th of March 2020, the disease was declared a pandemic by the World Health Organisation. This article compares Covid-19 to some of the other pandemics such as Smallpox and the series of pandemic Plagues […]
Now that vaccination has started in many parts of the world against the COVID-19 virus, a common question arises of what vaccines really are. A vaccine is a substance which arouses the immune system to produce immunity against a particular disease before you come in contact with the actual disease causing organism. A vaccine […]
INTRODUCTION Globally, there are currently over 50 candidates for vaccines against COVID-19 in clinical trials [1]. The following is a comparison between the three most popular candidates as of now. 1) Pfizer-BioNTech Vaccine The Pfizer-BioNTech Vaccine is an mRNA vaccine developed by German Biotechnology company BioNTech along with the American pharmaceutical corporation Pfizer. It makes […]
Many of the newly developed COVID-19 vaccines, such as the ones from Pfizer/BioNTech and Moderna, require two doses, at least three weeks apart. Vaccines that require multiple doses weeks, months, or even years apart are not unprecedented. The Hepatitis B shot, for example, is required for newborns with a second shot required one to two […]