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Scientists Warn COVID Vaccines May Only Be Effective For A Year, No Certain Protection Against Virus Mutations

Survey of experts in relevant fields concludes that new variants could arise in countries with low vaccine coverage

Credit: Baptist Health System

From TheGuardian.com…..

The planet could have a year or less before first-generation Covid-19 vaccines are ineffective and modified formulations are needed, according to a survey of epidemiologists, virologists and infectious disease specialists.

Scientists have long stressed that a global vaccination effort is needed to satisfactorily neutralise the threat of Covid-19. This is due to the threat of variations of the virus – some more transmissible, deadly and less susceptible to vaccines – that are emerging and percolating.

The grim forecast of a year or less comes from two-thirds of respondents, according to the People’s Vaccine Alliance, a coalition of organisations including Amnesty International, Oxfam, and UNAIDS, who carried out the survey of 77 scientists from 28 countries. Nearly one-third of the respondents indicated that the time-frame was likely nine months or less.

Persistent low vaccine coverage in many countries would make it more likely for vaccine-resistant mutations to appear, said 88% of the respondents, who work across illustrious institutions such as Johns Hopkins, Yale, Imperial College, London School of Hygiene & Tropical Medicine and the University of Edinburgh.

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