Infrared heat may be a hot new trend in grilling, but this type of heat has been occurring naturally since the dawn of time. In fact, everything with a temperature above absolute zero (which is equal to -459.67 degrees Fahrenheit or -273.15 degrees Celsius) emits at least a little infrared radiation.
For example, bacterial and viral causes of pinkeye are almost always contagious and are spread from person to person. However, pinkeye caused by allergens and chemical irritants is not contagious by person-to-person contact. Pinkeye that is contagious has an incubation period as long as 14 days. However, most doctors do not think that pinkeye becomes contagious to other people until symptoms start to develop.
Pink eye is contagious for up to 14 days, in the case of viral conjunctivitis, and up to 24 hours after an antibiotic is started with bacterial conjunctivitis.Your healthcare provider will let you know which type of pink eye you or your child has and whether it is contagious.hese antibiotics will have no effect on the contagious period for this type of pink eye because antibiotics do not affect viruses.