WebChickenpox is a highly contagious disease caused by the varicella-zoster virus (VZV). The virus spreads easily from people with chickenpox to others who have never had the disease or never been vaccinated. If one person has it, up to 90% of the people close to that person who are not immune will also become infected. WebFeb 15, 2024 · Certain portals of entry are more prone to cause tetanus than others, including puncture wounds, especially with dirty nails, burns, umbilical stumps, surgical procedures, compound fractures, abortions performed outside of medical facilities, and intramuscular injections (particularly of quinine).
Chickenpox (Varicella) Signs and Symptoms CDC
WebApr 8, 2024 · In humans the key portals of exit are: Alimentary – via vomiting, diarrhoea or biting. Genitourinary – via sexual transmission. Respiratory – through coughing, sneezing … WebDec 24, 2024 · Direct fecal-oral transmission is rare for humans at least. More common are the indirect routes: foodstuffs or water become contaminated and the people who eat and … portland regency inn and spa
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Webinfectious agent, reservoir, portal of exit, mode of transmission, portal of entry, and susceptible host. • Infectious agent is the pathogen (germ) that causes diseases • Reservoir includes places in the environment where the pathogen lives (this includes people, animals and insects, medical equipment, and soil and water) WebDec 24, 2024 · 14.5D: Portals of Exit Last updated Dec 24, 2024 14.5C: Regulating Virulence 14.6: Pathogenicity and Other Microbes Pathogens must have a way to be transmitted from one host to another to ensure their species’ survival. Learning Objectives Distinguish between horizontal and vertical disease transmission Key Points WebMay 3, 2014 · Pneumonia. 1. Causative Agent: 1.Infectious- bacteria (streptococcus pneumonia) • Virus • fungi 2.Non-infectious- inhalation of toxic gases, chemicals- aspiration of foreign substances. 3. Mode of Transmission: droplet, direct contact Signs and Symptoms: • high fever • shaking or chills • cough with phlegm, which doesn't improve or ... optimum ph for amylase enzyme