What unit of measure would be used to measure the thickness of a leaf? the basic measure of length used to measure the thckness of a pin or leaf is in millimeter Edit
Q: When is someone who has the flu contagious? Some people who are infected with the influenza virus can actually transmit the illness before they begin to feel any symptoms. Most of the time, you will become contagious about 24 to 72 hours after contracting the influenza virus and remain that way for up to five days after the onset of symptoms. But children or people with compromised immune systems can be contagious to those around them for up to two weeks. Flu is most commonly spread by coming into contact with respiratory moisture droplets from an infected person through sneezing or coughing.
The CDC explains that even healthy-looking people can spread the flu, as most individuals become contagious before they start showing flu symptoms. Flu-infected individuals are usually contagious for at least a week, though children can be contagious for more than a week. During this time, those infected with the flu must minimize contact with others, stay home, and avoid sharing bedding, food, utensils, clothing and other household objects with others.