"എസ് പി ഡബ്യൂ എച്ച് എസ് ആലുവ/അക്ഷരവൃക്ഷം/COVID-19 THE RE-EMERGED MICROBE" എന്ന താളിന്റെ പതിപ്പുകൾ തമ്മിലുള്ള വ്യത്യാസം

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We are continuously learning about the unpredictable powers of nature.This is more true that the threats to human health emerge from the natural environment only.Already in these last two decades of 21st century the world has witnessed many powerful diseases.Their roots or the microbes don’t go away.They just went out of sight. Earlier many pathogens discovered were of animal origin.Some as Ebola and HIV became famous and had a public health impact.