Saturday, March 25, 2023

Prevention from Covid19

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How is the virus transmitted?

It’s likely that the Coronavirus Disease COVID19 originated in an animal species, and then spread to humans.

Person to person spread of the novel corona virus is reported, but it is not yet understood how easily this happens.

Other human coronavirus strains are spread from person to person through contaminated droplets from a person who is sick with the illness (through coughing or sneezing) or contaminated hands.


All about masks in the context of COVID-19

Masks should be used as part of a comprehensive strategy of measures to suppress transmission and save lives; the use of a mask alone is not sufficient to provide an adequate level of protection against COVID-19.

If COVID-19 is spreading in your community, stay safe by taking some simple precautions, such as physical distancing, wearing a mask, keeping rooms well ventilated, avoiding crowds, cleaning your hands, and coughing into a bent elbow or tissue. Check local advice where you live and work. Do it all!

Make wearing a mask a normal part of being around other people. The appropriate use, storage and cleaning or disposal of masks are essential to make them as effective as possible.

Here are the basics of how to wear a mask:

  • Clean your hands before you put your mask on, as well as before and after you take it off, and after you touch it at any time.
  • Make sure it covers both your nose, mouth and chin for Prevention from Covid19
  • When you take off a mask, store it in a clean plastic bag, and every day either wash it if it’s a fabric mask, or dispose of a medical mask in a trash bin.
  • Don’t use masks with valves.

Important Precautions

  • Wash hands often with soap and water for at least 20 seconds.
  • You should continue to use the surgical mask in all public places until you are advised.
  • Cover your mouth and nose with a tissue or your sleeve (not your hands) when coughing or sneezing.
  • Regular health checks can identify any early signs of health issues.
  • As an individual, you can lower your risk of infection by reducing your rate of contact with other people.
  • Stop having food around those who ask you for it.
  • Avoid animals (alive or dead), animal markets, and products that come from animals (such as uncooked meat).
  • Avoid close contact with anyone showing symptoms of respiratory illness.


Important Prevention

· Avoid Crowded Places (Social Distancing)

· Wear a Face Mask

· Cover Mouth when Coughing

· Wash Hand Frequently

· Seek Medical Care

· Avoid Contact with Animals

Ways to prevent the disease

  • Stay at home
  • Wear mask
  • Always use tissues
  • Disinfect your home
  • Wash your hands
  • Frequent self-isolation
  • Frequent waterintake

You should avoid

  • Social distance
  • Avoid animals
  • Don't touch your face
  • Avoid handshaking
  • Avoid infected surfaces
  • Avoid droplets
  • Don’t travel

How Vaccines Work

SARS-CoV-2 is the virus that causes COVID-19. The spike protein on the surface of SARS-CoV-2 is an example of an antigen.

Vaccines are the best way for Prevention from Covid19 and train our immune system to recognize viruses, or pieces of viruses, called antigens. Our immune system creates antibodies and other defenses to protect us.

When a vaccinated person is exposed to SARS-CoV-2, their immune system will recognize the viral antigens and spring into action to keep them healthy. There are many different types of vaccines, as seen in the diagram above.

Types of Vaccine Platforms

All vaccine platforms are designed to train our immune system. There are two categories of COVID-19 Vaccines: Component Viral Vaccines and Whole Virus Vaccines.

Component Viral Vaccines

  • Protein Subunit: Contains isolated and purified viral proteins
  • Virus-like Particles (VLP): Contains viral proteins that mimic the structure of the virus, but no genetic material
  • DNA-based and RNA-based: Contains viral genetic material (such as mRNA) which provides the instructions for making viral proteins
  • Non-Replicated Viral Vector: Contains viral genetic material packaged inside another harmless virus that cannot copy itself
  • Replicating Viral Vector: Contains viral genetic material packaged inside another harmless virus that can copy itself

Whole Virus Vaccines

  • Inactivated: Contains copies of the virus that have been killed covid19 (inactivated)
  • Live-Attenuated: Contains copies of the virus that have been weakened covid19 (attenuated)


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