I think the vaccine will be effective and significantly after the second half of 2021
The impact of COVID-19 vaccines on the pandemic will depend on several factors. These include factors such as the effectiveness of the vaccines; how quickly they are manufactured and delivered; and how many people get vaccinated.
Dear Muhammad Khalid Saeed, in my opinion, when at least 90% of the entire population will be vaccinated and have developed the specific antibodies to the virus ie immunity.
The effect of the vaccine on ending the pandemic depends on the effectiveness of the vaccine, the conditions for its transportation to various parts of the world, and the scheduling of its administration to different groups.
If the vaccines prove effective, then COVID-19 should be eliminated by the end of the complete vaccination of the people.
India is having dense population density. Vaccination drive will not cover majority of population because of many reasons like lack of motivation, fear, political reasons, illiteracy, religion and many more..and these will leave many lacunaes .. ultimately we will have to live with risk of reinfection and possibility of some novel mutations can not be ruled out inspite of vaccination
Dear Mr. Saeed!
You spotted a relevant issue. This is the topic they investigate all over the globe:
1) Editorial (2020). The COVID vaccine challenges that lie ahead - As positive results emerge at last, researchers must help the world to address vaccine hesitancy, supply logistics and pricing, Nature 587, 522 (2020)
doi: https://doi.org/10.1038/d41586-020-03334-w Open Access:
https://www.nature.com/articles/d41586-020-03334-w
2) Philip Ball (2020).The lightning-fast quest for COVID vaccines — and what it means for other diseases - The speedy approach used to tackle SARS-CoV-2 could change the future of vaccine science. News Feature
Nature 589, 16-18 (2021), doi: https://doi.org/10.1038/d41586-020-03626-1 Open Access: https://www.nature.com/articles/d41586-020-03626-1
3) Dai, L., Gao, G.F. Viral targets for vaccines against COVID-19. Nat Rev Immunol (2020). https://doi.org/10.1038/s41577-020-00480-0 Open Access:
https://www.nature.com/articles/s41577-020-00480-0
4) Editorial (2020). Covid-19: politicisation, “corruption,” and suppression of science, BMJ 2020; 371 doi: https://doi.org/10.1136/bmj.m4425 (Published 13 November 2020 Open Access:
https://www.bmj.com/content/371/bmj.m4425/rapid-responses
5) A case-study: Daniel Romer and Kathleen Hall Jamieson '(2020). Conspiracy theories as barriers to controlling the spread of COVID-19 in the U.S., Social Science & Medicine, Volume 263, October 2020, Open Access:
Article Conspiracy theories as barriers to controlling the spread of...
Your sincerely, Bulcsu Szekely
I think the vaccine will be effective and significantly after the second half of 2021
I believe that the effect of the vaccine on ending the pandemic depends mainly on the number or percentage of the people taking the vaccine.
About 7 billion people live on the planet. The world doesn't have that much of doses of vaccines to vaccinate all the people this year. Therefore, many people won't get access to the COVID-19 vaccine in 2021. Many families will have to wait until 2023 or 2024. And the pandemic will likely continue until then.
https://www.npr.org/sections/goatsandsoda/2021/01/05/953653373/some-experts-say-temporary-halt-on-drug-patents-is-needed-to-stop-pandemic-world
Dear Muhammad Khalid Saeed, please have a look through the following link:
https://www.thelancet.com/action/showPdf?pii=S2666-5247%2820%2930226-3
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