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Sep 9, 2023 · What Are the Different Types of Flu? There are three types of flu viruses: A, B, and C. Type A and B cause the annual influenza epidemics that have up to 20% of the population sniffling, aching ...
Sep 23, 2021 · Viruses replicate, but to do so, they are entirely dependent on their host cells. They do not metabolize or grow, but are assembled in their mature form. Figure 17.1.1 17.1. 1: (a) The tobacco mosaic virus, seen by transmission electron microscopy, was the first virus to be discovered.
Aug 27, 2022 · Hepatitis A is a highly contagious liver infection caused by the hepatitis A virus. The virus is one of several types of hepatitis viruses that cause liver inflammation and affect your liver's ability to function. You're most likely to get hepatitis A from contaminated food or water or from close contact with a person or object that's infected.
Mar 19, 2020 · The disease is less common in the United States and occurs mostly in people who haven’t been vaccinated. There were 1,282 cases reported in 2019. As of March 2, 2020, there have been 12 ...
Apr 24, 2024 · The classic symptom of chickenpox is a rash that turns into itchy, fluid-filled blisters that eventually turn into scabs. The rash may first show up on the chest, back, and face, before it spreads to the rest of the body. It usually takes about 1 week for all of the blisters to become scabs. Some people who have been vaccinated against ...
This is the most common cause. Among people with diabetes, more than half will develop some type of neuropathy. Infections. These include certain viral or bacterial infections, including Lyme disease, shingles, hepatitis B and C, leprosy, diphtheria, and HIV. Inherited disorders.
Viral Diseases of Plants. This is the fifth fact sheet in a series of ten designed to provide an overview of key concepts in plant pathology. Plant pathology is the study of plant disease including the reasons why plants get sick and how to control or manage healthy plants. Viruses are intracellular (inside cells) pathogenic particles that ...
