Effects of COVID – 19 on Food Chain and Environment

Added on - 25 Mar 2021

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COMSATS University Islamabad, VehariCampusDepartment of Environmental SciencesAssignment No. 02Topic:Effects of COVID – 19 on Food Chain and Environment in theWorld.Submitted to:Dr. Mohkum HammadSubmitted by:Hina Razzaq (SP20-RES-019)MS-Environmental ScienceSemester 2Date of Submission: 27.10.2020This assignment is submitted as a partial fulfillment of therequirements for the course ENV- 603
Contents1. Introduction..................................................................................................................................32. Types of viruses...........................................................................................................................33. COVID – 19, Its Origin and History...........................................................................................34. COVID-19 and World Economy.................................................................................................45. COVID-19 Impacts on Environment...........................................................................................45.1. Positive Impacts....................................................................................................................45.2. Negative Impacts...................................................................................................................46. COVID-19 and Impacts on Food Chain......................................................................................57. Conclusions..................................................................................................................................58. References....................................................................................................................................6
1. IntroductionViruses are submicroscopic organisms that are pathogens and lives in human body for theirreplication. All viruses are parasites and causes different diseases in human being. Theytransmitted in human body through blood. Virology is the sub branch of microbiology in whichviruses are studied. Viruses are present in everywhere in environment they not only infect humanbut also infects the plants and living organisms.2. Types of virusesThere are several kind of viruses that causes diseases in humans like as:Corona VirusEbola VirusMarburg VirusHanta VirusInfluenza VirusDengue VirusRota Virus3. COVID – 19, Its Origin and HistoryCOVID-19 is the pandemic caused by coronavirus that was first originated from Wuhan city ofChina in December 2019. According to the official report by Chinese authorities it was observedhuman cases arises with coronavirus symptoms in early December 2019. Some cases were linkedby food supply market in Wuhan city. Many of the patients with corona were belong to this foodmarket they were either stall owners, employers, or other people visited market on regular basis.For inspection of disease several samples were collected from this market in December 2019.These samples tested positive for SARS-CoV-2, on basis of results it was suggested that themarket in Wuhan City was the cause of this pandemic or played a central role in the corona viruspandemic. Then market was shut down on 1 January 2020. SARS-CoV-2 was reported in earlydays of January. All reports explained that the virus has a natural origin found in animals and isnot a kind of bio war or prepared in lab. All reports showed that origin of this virus was Wuhancity of China.
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