Scientists at Harvard Medical School have developed a simple nasal spray, made of harmless ingredients, that they reckon can protect us against flu, colds and COVID-19 with near-100% success. The cost ...
Nobody wants to get a respiratory infection such as COVID-19 or the flu, but vaccines aren't 100% effective, and constantly ...
A non-drug nasal spray could theoretically help stop the spread of respiratory viruses like the flu and COVID-19 better than ...