Michael Gwarisa Vaccines are temperature-sensitive biological products, and even small changes in temperature during storage or transport can significantly reduce their safety and effectiveness. While all vaccines are sensitive to heat, some can also be damaged by freezing or exposure to light. To ensure potency throughout the immunisation supply chain, the World Health Organization (WHO)
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By:Retlaw Matatu Matorwa Zimbabwe, like many Sub-Saharan African countries has been grappling with the challenge of rare diseases. Rare diseases are classified as any disease that affects fewer than 5 in 10,000 people. According to the World Health Organization (WHO), there are over 7,000 rare diseases, and they are often chronic, progressive, and life-threatening. There
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