Spanish flu Pandemic
Spanish flu Pandemic 1918-1919 pandemic caused ~ 50 million deaths worldwide. This pandemic spread simultaneously in 3 distinct waves within 12 moths in Europe, Asia and North america. The first … Read More
MERS Outbreak
MERS Outbreak Middle East respiratory syndrome (MERS) outbreak was reported in September 2012 when many cases presented with severe lung infection, it was first recognized in Saudi Arabia when a … Read More
SARS EPIDEMIC
SARS EPIDEMIC In November 2002, many cases presented with Atypical pneumonia in china and around the world. This was identified as epidemic by WHO ( World Health Organization) . Most … Read More
COVID-19 Pandemic
COVID-19 Pandemic SARS-COV-2 is the name of the virus that lead to this pandemic. What is SARS-COV-2 virus ? SARS-COV-2 is corona virus , Which is RNA viruses , positive … Read More
Viral Replication Process
Viral Replication Process viruses are transferred via virions. when the virion invade the host cell, it disassembles and the genetic material ( DNA or RNA ) of the virus start … Read More
Classification of viruses
Classification of viruses Viruses are categorized into families and groups according to many different factors , such as the nucleic acid type , replication process , envelop and capsid structure. … Read More
What are viruses ?
What are viruses ? Virus infections are universal. Viruses are all around us in the environment, they can contaminate our food and as a result, the presence of the virus … Read More