Abstract: Disclosed herein include antibodies or fragments thereof having specificity to a sarbecovirus spike protein. Also provided are compositions, methods, and kits for using said antibodies or fragments thereof for preventing or treating, for example a coronavirus infection.

Abstract: The present invention is a system and method for teaching a language with interactive digital television. In one embodiment of the present invention, audio and visual material in digital format is presented on an interactive digital television, exposing the user to the audio visual material in digital format, wherein the audio visual material in digital format contains a predetermined amount of foreign language content. The predetermined amount of foreign language content is progressively increased.

Abstract: A method and device for teaching a given language to one or more users in an entertaining manner is provided utilizing a media series for teaching a given language to one or more users, particularly young children. The media series contains the given language as well as language other than the given language and is made up of series lessons which sequentially contain an increasing percentage of the given language. A user is progressively exposed to the media series by exposing the user to the series lessons in sequential fashion beginning with a first series lesson containing a lowest percentage of the given language and ending with a last series lesson containing a highest percentage of the given language. The given language to be learned is utilized and presented strategically such that the meaning of the given language can be readily and intuitively understood and wherein no supervision is necessary.