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COVID-19 : Vaccine

What is a Vaccine?

Vaccines contain antigens or substances that can stimulate the body's immune system that resembles germs (eg. COVID-19 virus). Vaccines are made either from attenuated or inactive (inactivated) germs, one of the virus surface proteins (Subunit) and most recently using genetic sequencing.

The vaccine stimulates the body's immune system to recognize and produce antibodies to destroy germs (eg. COVID-19 virus) in the event of an infection.

How do vaccines work in the human body?

The COVID-19 vaccine is injected into the body. As a result of vaccine injection, the body's immune system will produce antibodies specific to the COVID-19 virus. Vaccines increase the body's immunity without causing infection. As a result of vaccine injection, the antibody system acts on the COVID-19 virus if exposed to the COVID-19 virus.

Malaysians do not have to worry about the safety of the COVID-19 vaccine to be used in the country. The selection of vaccines is made by local experts after examining all the data and evidence from clinical trials. Director of the Institute for Clinical Research (ICR), Dr Kalairasu Peariasamy said, the selection of a vaccine is not an easy task because it involves human life. Thus, the vaccine that will be given to Malaysians has gone through a rigorous evaluation process and review from various aspects.

Malaysia will receive the first supply of Pfizer-BioNTech vaccine by the end of February. NPRA has given conditional approval for a period of one year to this vaccine. Dr Kalairasu said the vaccine had undergone clinical trials involving more than 40,000 people aged between 18 to 80 years from various races and countries.

The Pfizer vaccine has been found to be 95% effective in reducing the symptoms and symptoms of COVID-19. Vaccines are only effective if more people take them to form group immunity.

 

 

Resource :

  1. Ministry of Health Malaysia http://covid-19.moh.gov.my/semasa-kkm/2021/01/tidak-perlu-ragu-keselamatan-vaksin-covid-19
  2. World Health Organization https://www.who.int/emergencies/diseases/novel-coronavirus-2019/covid-19-vaccines

Date of Input: 29/01/2021 | Updated: 03/02/2021 | aslamiah

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