In 2018, seven-year-old Artem Chaynikov from Tver caught a cold. Dad called the doctor. The doctor diagnosed angina and prescribed treatment, including antibiotics. Literally the next day the boy got worse... / Nellie Frank was born in 2000. In 2004, little Nellie had purulent angina and developed strange symptoms. They examined her and found she had a congenital heart defect. Nellie was treated - or rather, there was no treatment, they just tried to maintain her condition...