Scientists test bird flu virus; U.N. wants to see how dangerous it would be if it adapts to humansASSOCIATED PRESS
shortening our lifespans and often making our lives miserable. Yet it wasn't until the 1800s that we finally figured out that the tiniest of invaders, such as smallpox or HIV, are often the most dangerous of our biological enemies.
The flu is pretty dangerous. It can give you fever(发烧) or even make you die. Every year in the U.S.,36,000 people die because of the seasonal flu. 5. There are many things you can do to keep healthy and stay away from the flu. For example, wash your hands often. Moreover,...
While most people recover from the flu within a few weeks, it can be dangerous for certain populations, such as the elderly, young children, and those with chronic health conditions. There are a number of steps you can take to prevent the flu, including: Getting a flu vaccine: Theflu ...
These symptoms, although uncomfortable, are generally not dangerous. But the flu also weakens the immune system, leaving it vulnerable to more serious infections. High-risk individuals (seeWho Is at Risk?) in particular are susceptible to serious complications, such as: ...
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Unfortunately, there is no cure for either the flu or bird flu. A virus causes the flu, and antibiotics can only kill bacteria. There is a vaccine for the A and B strains of the human flu, but even that isn't a guarantee: sometimes the scientists who develop it get the strain wrong...
An outbreak of dangerous bird flu is possible because ___. [ ] A. the constant changing of H5N1 may enable it to mix with the human flu virus B. the symptoms(症状)of bird flu are just like human flu, making it hard to discover C. there...
We are arguably as vulnerable—or more vulnerable—to another pandemic as we were in 1918. Today top public health experts routinely rank influenza as potentially the most dangerous “emerging” health threat we face. Earlier this year, upon leaving his post as head of the Centers for Disease ...
The new virus is from the coronavirus family, which includes those viruses that can cause the common cold, as well as more serious illnesses such as the Severe Acute Respiratory Syndrome (SARS) and the Middle East Respiratory Syndrome (MERS). Here is how the dangerous new virus compares with...