This essay focuses on Covid-19 has changed our lives drastically.since March 2020. Many students in schools are attending online classes for the first time. How has the pandemic affect learning?
since March 2020. Many students in schools are attending online classes for the first time. How has the pandemic affect learning? What can you foresee in the future of education until a vaccine becomes available? You must use at least 5 scholarly sources for your paper. All sources used, including textbook, must be reference and paraphrase; any quoted material must be placed in quotes, and must have accompanying APA style in-text citations
A vaccine is a biological preparation that provides active acquire immunity to a particular infectious disease. A vaccine typically contains an agent that resembles a disease-causing microorganism and is often made from weakened or killed forms of the microbe, its toxins, or one of its surface proteins. The agent stimulates the body’s immune system to recognize the agent as a threat, destroy it, and to further recognize and destroy any of the microorganisms associate with that agent that it may encounter in the future. Vaccines can be prophylactic (to prevent or ameliorate the effects of a future infection by a natural or “wild” pathogen), or therapeutic (to fight a disease that has already occur, such as cancer).
The administration of vaccines is call vaccination. Vaccination is the most effective method of preventing infectious diseases; wide immunity due to vaccination is largely responsible for the worldwide eradication of smallpox and the restriction of diseases such as polio, measles, and tetanus from much of the world. The effectiveness of vaccination has been widely study and verify; for example, vaccines that have proven effective include the influenza vaccine, the HPV vaccine, and the chicken pox vaccine. The World Health Organization (WHO) reports that license vaccines are currently available for twenty-five different preventable infections.