https://www.selleckchem.com/products/gilteritinib-asp2215.html ikely limited the public health impact of the intervention. To review the hoaxes' characteristics spread through WhatsApp in Spain during COVID-19 lockdown and identify what kind of substances were promoted for consumption or application. A phone number was activated to receive hoaxes via WhatsApp. A total of 2353 messages were collected, and among those 584 different hoaxes were identified and validated, between March 18 and April 18, 2020. From these 584 hoaxes, a sub-sample of 126 was selected, exclusively related to the object of study, and a content analysis table with fourteen registration fields was applied. Besides, the averages and medians of the quantitative fields were extracted. Most of the messages received were texts (39%) and videos (30%). In the majority, the acting subject was presented as medical personnel (36.5%) or as an anonymous person (30.9%). The videos lasted between 2' 40" and 18' 18", while the audios ranged between 1' 35" and 7' 48". Regarding the gender of the informant, there was a significant difference, with 45.2% being male, and 13.5%, female and 41.3% non-identifiable. One out of five false health claims received was about prevention or cure of the coronavirus, based on the principle of medical authority, and basically promoting the use and consumption of substances of natural origin. One out of five false health claims received was about prevention or cure of the coronavirus, based on the principle of medical authority, and basically promoting the use and consumption of substances of natural origin. The aim of this retrospective study is to evaluate the usefulness of upper gastrointestinal endoscopy and the Valsamouth by an otolaryngologist in patients with hypopharyngeal cancer to assess the risk. The study group comprised 41 patients with untreated hypopharyngeal cancer that was precisely diagnosed by an otolaryngologist using upper gastrointestinal endoscopy and the