Corona Virus Pandemic 2020.
What is corona virus ?? Corona viruses are basically a group of viruses which usually affects birds and mammals. It can cause infections specifically in the respiratory tract causing minor cold , vomiting to severe respiratory problems. How many types of Corona viruses are there? Do we need to worry for all? Coronaviruses are named for the crown-like spikes on their surface. There are four main sub-groupings of coronaviruses, known as alpha , beta, gamma, and delta . Besides these sometime corona virus can mutate itself according to its host's metabolic circumstances. Human coronaviruses were first identified in the mid-1960s. The seven coronaviruses that can infect people are: 229E (alpha coronavirus) NL63 (alpha coronavirus) OC43 (beta coronavirus) HKU1 (beta coronavirus) MERS-CoV (the beta coronavirus that causes Middle East Respiratory Syndrome, or MERS) SARS-CoV (the beta coronavirus that causes severe acute respiratory syndrome, or SARS) SARS-CoV-2 (the no...