Common cold is a viral infection that starts in the upper respiratory tract, sometimes spreads to the lower structures, and may contribute secondary infections in the eyes or middle ears. The main differences between the common cold and other respiratory infections are the absence of fever and the...
B A cold is an infection(传染病). It affects(影响) nose, ears and throat and makes you feel sick. It's very 56 to catch a cold. When someone coughs near you,bacteria(细菌) travel through the air and 57your body and then make you sick.Some of the symptoms(症状) of a cold 5 ...
Still, a headache that comes along with a cold, like other symptoms that result from the virus, tends to be milder than one caused by flu. 6/15 Coughs: Sign of Both Colds and Flu Colds and flu are respiratory illnesses, which affect your airways, so both can cause coughing. ...
Is campylobacter an infectious or communicable disease? Is filariasis a communicable disease? Is leprosy an infectious disease? Is influenza a non-communicable disease? Is the common cold a DNA virus? Is C. diff a communicable disease? Is mumps a communicable disease? Is encephalitis an infectious...
have a low baseline and just a few cases of it in one place will be classified as an epidemic; as opposed to more common diseases, such as the flu, that have a higher baseline. The common cold is a widespread virus that affects millions of people, but it is not seen as being a ...
They can be caused by several different factors such as a virus' be ing carried into an area, or changes in the way people live, like more people living in an area, which increases the chances of them coming into contact with a virus or bacteria.①此句为主从复合句。 An epidemic is ...
Most people are familiar with the symptoms of the flu,but they can be mistaken for a severe cold.The flu infection is far more serious and can cause severe health complications (并发症). There are many viral infections that can cause flulike symptoms.It is better to visit your doctor so...
Learn about the field of science that includes the study of viruses, understand virus structure and function, and see a comparison of viruses to bacteria. Related to this Question Is the common cold a viral infection? Does a viral infection cause high temperature?
INFECTION AND IMMUNITY: MOST AMERICANS THINK OF IT AS A COLD SORE THAT COMES AND GOES. BUT THE HERPES VIRUS IS A HIGHLY CONTAGIOUS MICROBE THAT NEVER REALLY LEAVES.infantsbaby bottle tooth decaybehavior changehealth educationimmigrantNative American...
Infectious disease experts expected this shift in mild illness, given that “virtually everyone has either experienced COVID infection or vaccination or both,” Schaffner said. “We all have a certain level of immunity, and when we encounter the virus, we're better prepared to fend it...