Learn how to tell if someone has COVID-19 or the flu here.
COVID-19 and the flu can cause similar symptoms. However, there are several differences between them. The novel strain of coronavirus (SARS-CoV-2) causes coronavirus disease 19 (COVID-19). Both COVID-19 and the flu are respiratory illnesses that…
How do COVID-19 vaccines compare with other existing vaccines?
The novelty of the COVID-19 vaccines may seem daunting for some, and it is natural for questions to arise on their effectiveness. In this feature, we examine the difference between effectiveness and efficacy, compare the…
Pfizer study shows vaccine effective against new variant
Scientists recently identified two new strains of SARS-CoV-2 — one of which had been discovered in the United Kingdom and the other in South Africa. A new Pfizer study concludes that its vaccine should be…