Monday, 11 May 2020
ONLINE EDUCATION !!
Thursday, 7 May 2020
COVID-19 - An Enemy For Our Mankind
Corona - The Invisible Enemy !!
Introduction :-
Most of the people until today may have never
heard of coronaviruses, but the diseases they have been recognized for over 52
years. Corona viruses were first identified by a group of virologists, who
relayed their findings in 1968. These viruses are the members of previously
unrecognized group which should be called as “Coronaviruses”, these are
identified in the electron microscope. Coronaviruses were given their name
based on the crown-like projections on their surfaces. “Corona” in Latin means
“halo” or “crown”. Among humans, infection most often occurs during the winter
months as well as early spring. Coronaviruses are single stranded RNA
(Ribonucleic Acids) viruses, these are susceptible to mutation and
recombination and are therefore highly diverse in nature. These viruses are
about 40 different varieties in nature and they mainly infect human and
non-human mammals and birds. These viruses can reside and infect in bats, wild
birds and can spread to other animals and hence can spread to the humans as well.
It is not uncommon for a person to become ill with a cold that is caused by a
coronavirus and then catch it again about four months later. This is because
coronavirus antibodies do not last for a very long time. Also, the antibodies
for one strain of coronavirus may be useless against other strains.
Corona-Virus Disease
2019 ( COVID-19) :-
The novel
coronavirus (2019-nCoV) outbreak, that emerged from a live animal market in the
city of Wuhan, Hubei Province in December 2019 is continuing to spread throughout
the world, resulting in the on-going 2019-2020 corona-virus pandemic. The virus
as of now has spread in more than 185 countries and territories throughout the
world. Size and structure of COVID-19 :- The size of corona virus is between
the range of 90mm to 100mm which considered to be visible with a help of
electron microscope. This virus is obviously not visible to our human’s naked
eyes and that is why the reason to call this virus as “Invisible enemy” for
this mankind. COVID-19 is a spherical or pleomorphic enveloped particles
containing single-stranded RNA associates with nucleoproteins within a capsid
comprised of matrix protein. The envelope bears the club-shaped glycoproteins
projections. Covid-19 possess the largest genomes amongst all known RNA
viruses. Covid-19 binds to ACE2 (Angiotensin-converting-enzymes 2) by its
spikes and allow covid19 to enter and infect cells. In order for the virus to
complete entry into the cell following this initial process, the spike proteins
has to be primed by an enzyme called a protease. In order to attach virus
receptor to its cellular ligands, activation as a protease is needed.
Prevention’s for
Corona-virus (COVID-19) :-
There is currently no
vaccine to prevent coronavirus diseases 2020. The best way to prevent
coronavirus is to avoid being exposed to this virus. The preventions and
precautions to be taken are as follows :
• Avoid close contact
with people who are sick. • Avoid touching your eyes, nose and mouth.
• Wash your hands with
soap and water or use an alcohol based disinfectant solution before
eating.
• Avoid visiting
markets and places where live or dead animals are handled.
• Stay home when you
are sick.
• Cover your cough or
sneeze with a tissue, then throw the tissue in the trash.
• Clean and disinfect
frequently touched objects and surfaces using a regular households cleaning
spray or wipe.
• Avoid contact with
animals, their excretions or droppings.
Symptoms of
COVID-19 :-
As Covid-19 is invisible enemy and cannot be
seen, it easily affects different people in different ways. Most infected
people will develop mild to moderate symptoms. On an average it takes 5 to 6
days from when someone is infected with the virus for the symptoms to show,
however it can take up to 14 days. The common symptoms seen in a covid-19
infected patients are fever, tiredness, dry cough, aches and pains, nasal
congestions, runny nose, sore throat, diarrhea, headache, loss of taste,
asthma, fatigue and many more symptoms. In more severe cases, infection can
cause pneumonia, severe acute respiratory syndrome, kidney failure and can even
lead to death. This is what dis-advantage we have got towards this virus as it
is not visible to our eyes and that is the reason most of the people in the
world are getting infected and losing their precious life.
Recommendations to use
face-masks :-
The experts do recommend that people who are
well wear a face-mask to protect themselves from respiratory diseases, including
COVID. Face-mask should be used by the people who show symptoms of COVID-19 to
help prevent the spread of the diseases to others. The use of face-mask is also
crucial for health workers and other people who taking care of someone who is
close to them. The best mask recommended by the experts is N95 respirators and
surgical masks ( face masks ) are personal protective equipment’s that are used
to protect the wearer from the airborne particles and from liquid contaminating
the face.
Treatments for
COVID-19 :-
There is no specific
treatment for this disease so the approach used to treat the patients with
corona-virus related infections is to treat the clinical symptoms. Supportive
care, oxygen therapy, plasma therapy ,fluid managements and antivirals like
hydroxychloroquine and many others are highly effective for those who are
infected.
Conclusion :-
Hence yes, it’s very important to follow all
the required rules prescribed by the experts so that least people get infected
by this virus that is invisible. Yes, now is the time we do take care of
our-self and as well as take care of others. Corona, the enemy that is declared
globally which is increasing it-self rapidly and drastically. So, let’s make it
happen and kill a virus for a first time which don’t have any antidote, but it
do have a weakness that is maintaining “SOCIAL AND PHYSICAL DISTANCE” with each
other and stay at home.
THANK YOU..
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