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Covid-19 vaccines up to 90% effective in preventing infection: MoH study - superadmin - 09-24-2021 KUALA LUMPUR – Covid-19 vaccinations in Malaysia have an efficacy rate of between 86% and 90% in preventing infections, according to a study by the Health Ministry involving 1.2 million people. The ministry’s Real-World Evaluation of Covid-19 Vaccines under the Malaysia National Covid-19 Immunisation Programme (Recovam) study also found that vaccines administered in the country have up to 88% effectiveness in preventing symptomatic infections. Dr Kalaiarasu M. Peariasamy of the National Institute of Clinical Research (ICR) said those who are partially vaccinated have up to a 53% chance of not contracting the virus, and between 33% and 37% chance of developing symptoms if they did. On admissions to the intensive care unit (ICU), the rates varied according to vaccine brands. Those fully vaccinated with the AstraZeneca vaccine had between a 91% and 99% chance of not being admitted to ICUs, and 60% to 68% if they received only one dose. For Pfizer-BioNTech recipients, their chances of entering ICUs were reduced by between 91% and 94%, and those partially immunised with this brand had up to 38% and 45% chance of admission. - More =