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Hace 5 días · Influenza, commonly known as " the flu " or just " flu ", is an infectious disease caused by influenza viruses. Symptoms range from mild to severe and often include fever, runny nose, sore throat, muscle pain, headache, coughing, and fatigue. These symptoms begin one to four (typically two) days after exposure to the virus and last for about ...
Hace 4 días · e. A vaccine is a biological preparation that provides active acquired immunity to a particular infectious or malignant disease. [1] [2] The safety and effectiveness of vaccines has been widely studied and verified. [3] [4] A vaccine typically contains an agent that resembles a disease-causing microorganism and is often made from weakened or ...
Hace 1 día · Classic explanations include yellow fever, bubonic plague, influenza, smallpox, chickenpox, typhus, and syndemic infection of hepatitis B and hepatitis D. 1,143,000–3,429,000 (estimated 30–90% of population) [68] [69] 1629–1631 Italian plague (part of the second plague pandemic ) 1629–1631. Italy. Bubonic plague.
21 de may. de 2024 · COVID-19 is a respiratory disease that is caused by a coronavirus known as SARS-CoV-2, which was first identified in 2019. The virus is primarily transmitted from person to person through droplets made when infected people cough, sneeze, or talk. Less often, a person might become infected with COVID-19 by touching a surface or object ...
12 de may. de 2024 · New Zealand has reported 9,251 new cases and surpasses 1 million total cases at 1,005,674. There are 6,111 recoveries, bringing the total number of recoveries to 948,717. There are 14 deaths, bringing the death toll to 876. There are 56,131 active cases (662 at the border and 55,469 in the community).
Hace 4 días · After the COVID-19 pandemic, Amazon faced criticism for complying, under pressure from the Biden Administration, to "reduce the visibility” of books critical of the COVID-19 vaccine, which was revealed after Rep. Jim Jordan (acting on behalf of the House Judiciary Committee) subpoenaed emails between the company and the Biden Administration.
Hace 2 días · The COVID-19 mRNA vaccines from Moderna and Pfizer–BioNTech have efficacy rates of 90 to 95 percent [citation needed]. Prior mRNA, drug trials on pathogens other than COVID-19 were not effective and had to be abandoned in the early phases of trials. The reason for the efficacy of the new mRNA vaccines is not clear.
