LSU Shreveport Researcher Discovers 7 Coronavirus Variants k945.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from k945.com Daily Mail and Mail on Sunday newspapers.
People might require regular booster shots to fight new variants of the virus.
But experts say it s impossible to vaccinate everyone yearly, so the virus will continue to circulate.
As the pandemic approaches its second year, the coronavirus has morphed into a tougher foe.
Several mutations that scientists have identified in rapidly spreading variants are particularly worrisome. They raise concerns that these strains will be more contagious or be able to at least partly evade protection provided by vaccines and by prior infections.
Let s be clear: No one knows how the next phase of the pandemic will play out. Is a new strain already spreading undetected or lurking around the corner? How effective will these vaccines be in the long run? And just when can we think about returning to schools and offices, or getting together with older relatives again?
How Johnson & Johnson s Covid-19 vaccine compares to shots from Pfizer and Moderna Feb 17, 2021, 10:00 AM
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vials of the Pfizer-BioNTech Covid-19 vaccine are prepared to be administered to front-line health care workers under an emergency use authorization at a drive up vaccination site from Renown Health in Reno, Nevada on December 17, 2020.
Patrick Fallon/AFP via Getty Images
Johnson & Johnson s Covid-19 vaccine was shown to be 66% effective at preventing mild and moderate infections, and 85% effective at preventing severe disease.
In South Africa, it proved 100% effective against preventing such severe Covid cases that the patient ended up hospitalised or dead.
It also has the benefits of being cheap and relatively easy to manufacture and distribute. It only requires one shot in the arm.
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An aerial view of a mud-hit area near the town of Brumadinho in the state of Minas Gerais in Brazil on Jan. 26, 2019, one day after the collapse of a tailings dam at Vale s Corrego do Feijao iron ore mine.
Source: Pedro Vilela/Getty Images News via Getty Images
On Jan. 25, 2019, a large dam full of mining waste from the Corrego do Feijao iron ore mine owned by Vale SA ruptured and sent a mudslide downstream toward Brumadinho, Brazil, killing at least 270 people. Two years later, some question if the mining industry has done enough to avert further disasters.