Multiple sclerosis (MS) is an autoimmune disorder in which the immune system mistakenly perceives its own myelin (the protective sheath around the nerves) as an intruder and attacks it, as it would a virus or o
Is adenovirus contagious? Is cholera a communicable disease? Is SARS a communicable disease? Is Hansen's disease contagious? Is the rhinovirus contagious? Is lice an infectious disease? What are some rare skin diseases? Is uveitis contagious? Is lice a communicable disease? Is Lewy body disease...
according to Smithsonian Magazine. However, it wasn't until 1939 that the first clear snapshots of the unaltered virus could be captured. This feat was made possible by the invention of the electron microscope, an instrument that uses beams of ...
DEAR DR. ROACH: The newest COVID variant is reputed to be less deadly but highly contagious. What precisely makes one virus variant more contagious than another virus variant? Is it structure, size? — S. ANSWER: It’s not size, because all coronaviruses are just about the same si...
How many variants are there of the COVID-19 virus? AP Illustration/Peter Hamlin By MARION RENAULT, Associated Press How many variants of the coronavirus are there? There are many circulating around the world, but health experts are primarily concerned with the emergence of three. As a virus...
You are likely not contagious with COVID after nine days. It's important to isolate until your symptoms improve, and you do not have a fever for 24 hours.
Cold sores are the most contagious when fluid seeps out of the sores. Once the sore has scabbed over, the risk of passing on the virus decreases significantly,
Whether COVID toes are contagiousor not is one of the many questions still being researched. However, it seems unlikely that if someone infected with COVID-19 infection who has COVID toes passes the virus to someone else, that other person will also develop COVID toes. If you develop sympt...
COVID-19 deaths in the U.S. have climbed to an average of more than 1,900 a day for the first time since early March, with experts saying the virus is preying largely on a distinct group: 71 million unvaccinated Americans. The increasingly lethal turn has filled hospitals...
Poliois a contagious virus that at first may give flu-like symptoms but could in some more serious cases progress to meningitis or even paralysis. The CDC recommends four doses of the inactivated polio vaccine (IPV), which is99% effective, before the age of 6. “If you drop immunization ...