Doctor insights on:
Viral Disease In Humans
Dangerous viruses: Are you referring to most virulent virus, fatal rate without or with treatment or most deaths historically? Dangerous viruses include: Marburg Virus, Ebola Zaire, Hantavirus, H5N1 (Avian Flu), Junin Virus (Argentine Hemorrhagic Fever), Lassa Fever, Crimea – Congo Fever,Machupo virus (Bolivian hemorrhagic fever), Kyasanur Forest Virus (KFD), Rabies, Smallpox & Dengue fever. ...Read moreSee 2 more doctor answers
Wash your hands: Many viral illnesses are transmitted by direct contact with an infected person or else by touching a contaminated object (also known as a fomite), then touching our mucous membranes. ...Read more
Absolutely. Immune: systems job is to constantly screen & protect from cancer cells, viruses, bacteria & fungal infections. How many we may have to fight at once varies widely & can be a huge challenge. Initial immune system response to virus (just snippets of DNA/RNA with a protein coating; no living cell) commonly takes ~7 days; thus the value of vaccines to prompt the immune system to prepare for rapid response. ...Read moreSee 1 more doctor answer
That depends: are you asking about most # of deaths over history or virulence of actual organisms. I can't state #1. But the following are serious: Ebola, Influenza, Pneumonic Plague, Smallpox, SARS, Tetanus, Inhalational Anthrax & more. For more info see "List of human disease case fatality rates" http://en.wikipedia.org/wiki/List_of_human_disease_case_fatality_rates ...Read moreSee 1 more doctor answer
Many answers: I will vote for largest numbers as well as overall nastiness (my opinion): virus: 1. Influenza - killed most people in pandemics 2. Ebola - evil, nasty, dead quickly (but rare) bacteria: 1. Yersinia pestis - plague pandemics 2. Clostridium botulinum - botulism toxin is very very toxic in small amounts. ...Read more
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That's how it is: Vaccinations do not treat diseases. They do not kill the germs involved, but can help the body build a successful defense against actual disease if exposed. The vaccines to viral agents tend to elicit stronger and longer protection than present vaccines against bacteria.Bacterial vaccines (pertussis,tetanus, pneumococcus) may even fail to prevent illness if the germ exposure is intense enough. ...Read more
I have dry cough with crackling chest.It was start like normal cough 3weeks before.I have no fever but only dry cough.Is it symton of viral disease?
How does pneumovax, a vaccine against a bacterial infection, reduce deaths from influenza which is a viral disease?
Pneumonia prevention: An important cause of death from influenza is often related to pneumonia, a common complication of influenza. Pneumonia following influenza is often caused by pneumococcus. Pneumovax provides protection against an invasive peumococcal infections including pneumonia. ...Read more
Can untreated hashimoto disease weaken immune system and cause several bacterial / viral infections the past several months?
16 year old male, severe chronic stress had 8 viral infections this year. Passed quickly. Passed on it's own. Is it immune disorder or stress?
Depends: If u always get sick that frequently than u can't really blame it on stress. But if this is a new thing it could just be stress. Stress is known to lower ur immune system. The fact that it cleared quickly makes me think that u immune system is functioning ok. Try vitamin d supps and see if that helps boost ur mood and immune system. Make sure u eat and sleep good that will help with the stress ...Read more
I have had 8 viral infections this year that passed quickly. I am concerned i have immune defiency disorder. Blood work in march showed nothing ?!
I wouldn't worry: When I was a young doctor I had many of these from seeing young children. After several years my immunity developed and I was fine. This is also common in parents with young children, especially if they are in day care. By being sick you build up your immunity. When I was in the service, with was also common when moving to a foreign country. After a year, the illnesses seemed to temporize a ...Read more