Most people recover from a common cold in 7 to 10 days. Symptoms might last longer in people who smoke. Most often, you don't need medical care for a common cold. If symptoms don't get better or if they get worse, see your health care provider.
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Flu and the common cold are both respiratory illnesses but they are caused by different viruses. Because these two types of illnesses have similar symptoms, it can be difficult to tell the difference between them based on symptoms alone. In general, flu is worse than the common cold, and symptoms are more intense. Colds are usually milder than flu. People with colds are more likely to have a runny or stuffy nose. Colds generally do not result in serious health problems, such as pneumonia, bacterial infections, or hospitalizations. Flu can have very serious associated complications.
Because colds and flu share many symptoms, it can be difficult (or even impossible) to tell the difference between them based on symptoms alone. Special tests that usually must be done within the first few days of illness can tell if a person has the flu.
The symptoms of flu can include fever or feeling feverish/chills, cough, sore throat, runny or stuffy nose, muscle or body aches, headaches and fatigue (tiredness). Cold symptoms are usually milder than the symptoms of flu. People with colds are more likely to have a runny or stuffy nose. Colds generally do not result in serious health problems.
Influenza (flu) and the common cold are both contagious respiratory illnesses, but they are caused by different viruses. Flu is caused by influenza viruses only, whereas the common cold can be caused by a number of different viruses, including rhinoviruses, parainfluenza, and seasonal coronaviruses. Seasonal coronaviruses should not be confused with SARS-CoV-2, the virus that causes COVID-19. Because flu and the common cold have similar symptoms, it can be difficult to tell the difference between them based on symptoms alone. In general, flu is worse than the common cold, and symptoms are typically more intense and begin more abruptly. Colds are usually milder than flu. People with colds are more likely to have a runny or stuffy nose than people who have flu. Colds generally do not result in serious health problems, such as pneumonia, bacterial infections, or hospitalizations. Flu can have serious associated complications.
The symptoms of flu can include fever or feeling feverish/chills, cough, sore throat, runny or stuffy nose, muscle or body aches, headaches, and fatigue (tiredness). Cold symptoms are usually milder than the symptoms of flu. People with colds are more likely to have a runny or stuffy nose. Colds generally do not result in serious health problems.
Extremely cold air comes every winter into at least part of the country and affects millions of people across the United States. The arctic air can be dangerous. Combined with brisk winds, dangerously cold wind chill values can result. People exposed to extreme cold are susceptible to frostbite and can succumb to hypothermia in a matter of minutes. Areas most prone to frostbite are uncovered skin and the extremities, such as hands and feet. Hypothermia occurs when the body loses heat faster than it can produce it.
Cold weather can also affect crops. In late spring or early fall, cold air outbreaks can damage or kill produce for farmers, as well as residential plants and flowers. A freeze occurs when the temperature drops below 32F. Freezes and their effects are significant during the growing season. Frost develops on clear, calm nights and can occur when the air temperature is in the mid-30s. Each plant species has a different tolerance to cold temperatures. You may also want to check out our winter safety site for snow and more cold season hazards information.
If you or someone you know has been a victim of extreme cold, please share your story so we can help prevent others from becoming a victim. When you write, please state that the NWS has permission to use your story, and let us know the town and state you were in and when the event took place. Read our real-life stories from extreme cold survivors.
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The Cold War was a period of geopolitical tension between the United States and the Soviet Union and their respective allies, the Western Bloc and the Eastern Bloc, that started in 1947, two years after the end of World War II, and lasted until the fall of the Soviet Union in 1991.
The term cold war is used because there was no large-scale fighting directly between the two superpowers, but they each supported opposing sides in major regional conflicts, known as proxy wars.
The Cold War was based on an ideological and geopolitical struggle for global influence by these two superpowers, following their roles as the Allies of World War II that led to victory against Nazi Germany and Imperial Japan in 1945.[2] Aside from the nuclear arms race and conventional military deployment, the struggle for dominance was expressed indirectly, such as psychological warfare, propaganda campaigns, espionage, far-reaching embargoes, sports diplomacy, and technological competitions like the Space Race. The Cold War began with the announcement of the Truman Doctrine in 1947, started a gradual winding down with the Sino-Soviet split between the Soviets and the People's Republic of China in 1961, and ended with the collapse of the Soviet Union in 1991.
The Western Bloc was led by the United States, as well as a number of First World nations that were generally capitalist and liberal democratic but tied to a network of often authoritarian Third World states, most of which were the European powers' former colonies.[3][B] The Eastern Bloc was led by the Soviet Union and its communist party, which had an influence across the Second World and was also tied to a network of authoritarian states. The Soviet Union had a command economy and installed similarly communist regimes in its satellite states. United States involvement in regime change during the Cold War included support for anti-communist and right-wing dictatorships, governments, and uprisings across the world, while Soviet involvement in regime change included the funding of left-wing parties, wars of independence, revolutions and dictatorships around the world. As nearly all the colonial states underwent decolonization and achieved independence in the period from 1945 to 1960, many became Third World battlefields in the Cold War.
At the end of World War II, English writer George Orwell used cold war, as a general term, in his essay "You and the Atomic Bomb", published 19 October 1945 in the British newspaper Tribune. Contemplating a world living in the shadow of the threat of nuclear warfare, Orwell looked at James Burnham's predictions of a polarized world, writing:
The first use of the term to describe the specific post-war geopolitical confrontation between the Soviet Union and the United States came in a speech by Bernard Baruch, an influential advisor to Democratic presidents,[6] on 16 April 1947. The speech, written by journalist Herbert Bayard Swope,[7] proclaimed, "Let us not be deceived: we are today in the midst of a cold war."[8] Newspaper columnist Walter Lippmann gave the term wide currency with his book The Cold War. When asked in 1947 about the source of the term, Lippmann traced it to a French term from the 1930s, la guerre froide.[C]
While most historians trace the origins of the Cold War to the period immediately following World War II, some argue that it began with the 1917 October Revolution in the Russian Republic when the Bolsheviks overthrew the Russian Provisional Government. In World War I, the British, French and Russian Empires had composed the major Allied Powers from the start, and the US joined them as a self-styled Associated Power in April 1917. After the Bolsheviks' seizure of power, the bloody Red Terror was initiated to shut down all opposition, both perceived and real.[14] In December, the Bolsheviks signed an armistice with the Central Powers, though by February 1918 fighting had resumed. In March, the Soviets ended involvement in the war and signed the separate peace Treaty of Brest-Litovsk. As a result, German armies advanced rapidly across the borderlands. The Allies responded with an economic blockade against the new Russian regime.[15] In the eyes of some Allies, Russia now was helping Germany to win the war by freeing up a million German soldiers for the Western Front[16] and by relinquishing much of Russia's food supply, industrial base, fuel supplies, and communications with Western Europe.[17][18] According to historian Spencer Tucker, the Allies felt, "The treaty was the ultimate betrayal of the Allied cause and sowed the seeds for the Cold War. With Brest-Litovsk the spectre of German domination in Eastern Europe threatened to become reality, and the Allies now began to think seriously about military intervention," and proceeded to step up their "economic warfare" against the Bolsheviks.[15] Some Bolsheviks saw Russia as only the first step, planning to incite revolutions against capitalism in every western country, but the need for peace with Germany led Soviet leader Vladimir Lenin away from this position.[D]
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