The flu is caused by viruses. Type A and Type B influenza viruses are what cause the main outbreaks of the flu each year. Type A is often hosted in animals such as such as ducks, chickens, pigs and whales, then passed on to humans, and is often more severe.3Type B is found only ...
Due to Covid-19 during the past years the prevalence of the flu was lower as people wear masks and stayed away of crowded places as much as possible, now with life "returning to normal" flu is back on at the last stage of Winter, almost early ...
"One of the challenges right now is people are thinking: 'This is my seasonal allergies' or 'Maybe this is the flu coming on,' because the symptoms of COVID are very similar to those," Tad-y says. Before brushing symptoms off as allergies, flu or a cold, think them through, Tad-y...
China's relentless pursuit of COVID zero is unsustainable when the rest of the world has largely opened up. The economic fallout is too heavy to bear. The latest variant is no more than an enhanced version of the flu,with
The common cold and flu are both contagious viral infections of the respiratory tract. Although the symptoms can be similar, flu is much worse. A cold may drag you down a bit, but the flu can make you shudder at the very thought of getting out of bed. ...
What is the flu? Influenza, or the flu, is a viral infection that attacks the lungs, nose, and throat. It’s a contagious respiratory illness with symptoms ranging from mild to severe. The flu and the common cold have similar symptoms. It can be difficult to distinguish between the two ...
Flu Symptoms The flu can range from mild to severe—and symptoms usually develop quickly.4 In fact, one of the main differences between a cold and the flu is that the flu usually comes on fast. Even though a cold and the flu share a lot of the same symptoms, people with the flu ...
The common cold and flu are both contagious viral infections of the respiratory tract. Although the symptoms can be similar, flu is much worse. A cold may drag you down a bit, but the flu can make you shudder at the very thought of getting out of bed. ...
With reports of the first human death from bird flu in the US, some Americans are feeling an uncomfortable flashback to the early days of Covid-19, when infectious disease experts were talking about a new virus that was sending people to the hospital wit
So far, only humans with direct contact with sick birds have caught the disease.But scientists are worried that bird flu could link with regular human influenza, mutate(变异), and become a deadly new virus and cause a pandemic(全国性流行病). What are the symptoms(症状) in birds? Loss...