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Herd Immunity and Covid-19

Herd Immunity and Covid-19
Introduction : Now-a-daysit is our regular fight againstthe danger of infection by the most contagiousdiseaseCovid-19 ; We fight it at all levels,at personal level, by maintaining social distancing& proper sanitization, atlocal level& also atnational levelby observingvarious measuresinstructed by the Authorities ;In this contextwe sometimes hear the term‘Herd Immunity’ ;Recently the British Prime Minister Mr. BorisJohnson also mentioned this term as a good measure of fighting against Covid-19 ; What is this ‘Herd Immunity’ ?How can it be achieved ?How far it is suitable to fightagainst Covid-19 ? To the non-medical general people like usit will be convenient if we discuss itbriefly in very simple terms ;
What is Herd Immunity ? ‘Herd Immunity’ is the term used for social or group immunity ; That is, it is the immunity at social level ; When most of the persons in a given group or society gets immune or resistant to a particular virus which is contagious …
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Migrant Workers - The Most Shameful Episode of Pandemic

Migrant Workers – The  Most Shamefull Episode of  Pandemic
May 19, 2020 – 4 Migrant workers are killed in a road accident at Yavatmal  of                               Maharashtra ( www.thehindusthantimes.com ) ; May 16, 2020 – 24 Migrant Workers killed, 36 injured as  two trucks collided in the                               early  hours  on the high road of Auraiya District of  Uttar  Pradesh ;                              (www.thewire.in) ; May , 16, 2020 -  8  Migrant Workers, including 4 women died in three  separate road                                accidents  in   Mdhya Pradesh,  while trying to reach their homes in                                Uttar Pradesh (www.thehindu.com)  ;   These series of accidents,  one after another,  during  nearly the last two months, have stunned us,  broken our hearts  and have left us helpless,  speechless, only to remain looking forward and count how many accidents  are still to occur in near future ;
Who are these Migrant  Workers ? They are mainly…

Covid-19 Pandemic - Impact on Mental Health

Covid-19 Pandemic – Impact on Mental Health
Introduction The long durationof this Covid-19 Pandemic, resulting in more or less total Lock Down of nearly two months (in our country) has started takingitstoll on the mental health of all sectors of the common peoplethroughout the Globe ;In India, the Pandemic has significantly affectedour lifestyle, career & economy over the past few weeks ;A recent study in India has shown that there has been a significant rise in the number of patients suffering from mental health issues ; People from several age groups are reportingcases of excessive stress, anxiety, panic& depression ;
Symptoms   of Mental Illness There are ways by which we can understand &identifythe various mental health issues that may be manifested in any member of our family ; These are –Fear & Nervousness, Insecure feelings about futures, Insomnia & Nightmares,Anxiety, Panic Episodes,Inability to relax, Lack of interest in activities,Worsening of medicalconditio…

Covid Lock Down is Reopening - How to Adapt ?

Covid-19 Lock Down is Reopening – How to Adapt ?
Covid-19  Lockdown  is  easing out slowly ; Except the containment areas &  Red Zones it appears to be the Government Policy to slowly allow the people to come back to normalcy  within certain limits ;  We should understand that we are entering into a  ‘Post Covid-19 Era’  which is completely new & different from our past normal tension free life ; We have to understand   that  lock down cannot continue  for a long time  at the  cost of  an unprecedented loss of  National Economy  &  at the same time,  it  is of prime importance that still there is  no discovery of  any Vaccine and/or  Anti-Viral Drug  to combat this devastating  & extremely contagious Covid-19 virus ; Therefore,  we have to,  very cautiously , strike out  a balance between safely staying at home  &  getting outside inviting the danger of being attacked by the virus ; Let us examine, how safely we can perform the same in various  fields  of  life ; Gen…

COVID-19 - A Natural Phenomenon

Covid-19 - A  Natural Phenomenon Viruses are not living things ; They are complicated assemblies of molecules, including proteins, nucleic acids (DNA & RNA), lipids and carbohydrates ; But on their own they can do nothing unless or until they enter in living cells ; Where they can replicate themselves & mutate in the host cells ;Viruses are continuously changing as a result of genetic selection ; They undergo subtle genetic changes through mutation and major genetic changes through recombination . Mutation occurs when an error is incorporated in the viral genome ; Recombination occurs whenco-infecting viruses exchange their genetic information creating a new type i.e. novel virus ; In prehistoric times human beings were hunter-gatherer ; Apart from hunting their prey animals, mainly big herbivorous animals, their interaction with the animal world was minimal ; But along with growth of civilization they started domestication of animals, forming dairies, piggeries, poultry farms …

Spanish Flu - The Pandemic of the Last Century

Spanish Flu : It is said to be the World’s worst pandemic on record ; It was an unusuallydeadly Influenza Pandemic lasting fromJanuary, 1918 to December, 1920,infecting 500 millions of people (about 25 % of the World’s population at that time ) with a death toll of about 50 million; The concerned Pathogen wasthe Virusnamed H1N1 which was first reported in Spain ;There is a hypotheses that the Pandemic started somewhere in Northern China and quickly spreadto the Western Europe when, in the the atmosphere of thecontemporary World War I, Britain & Francerecruited a large number of Chinese labours for the needs of various war services ; The Flu alsoquickly spread to India when, on 29/05/1918,a ship carryingIndian troops reached Bombay & affected the local population over there within a very short span of time ; As per records on 06/10/2018,768 people died on a single day ; Apart fromBombay,the Pandemic spreadrapidly  through 
          all over India : The mortality rate in India was 20.6 per 
    …

The Black Death - A Past Pandemic

Black Death : -Black death orthe Great Bubonic Plague spreadthrough a vast area of Europe in the Mediaeval Period during the years 1347 AD to 1353 AD ; This disease arrived in Europe when, inOctober, 1347 AD, 12 Nos. ships docked at the Sicilian port of Messina from the Black Sea ;Peoplewho gathered at the Dock experienced a horrifyingsurprise,Most of the Sailors aboard the Shipwere dead & those who were still alive were gravely ill & covered with Black boils throughout their bodies that oozed blood& pus ;The Sicilian Authoritieshastily ordered the fleet of the ships to remain out of the Harbor but by that time it was too late ; From here the disease spread over the next 5 years throughout the Europe and killed about20 Million people which was almost33.33 % of thepopulation of whole Europe at that time ; As per report of some experts the pathogen of Plague was also in existencein Asia about 2000 years ago ;In the medieval era this pandemic was believed to have originated first in Chin…