Vaccines are considered the safest medical products as they are made from killed bacteria. But are vaccines really safe as much they are called? Yes, vaccines prevent us from many diseases like chicken pox, measles, typhoid…
A vaccine is a biological preparation that provides active acquired immunity to a particular disease. A vaccine typically contains an agent that resembles a disease-causing microorganism and is often made from weakened or killed forms of the microbes, its toxins,…
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