What are the differences in glasses when I buy them from Hoya instead of, say, Essilor or other brands?

It could very well be, as anosmia appears to be a distinctive symptom of COVID-19 infection. In Germany, it has been reported that 2 in 3 confirmed cases have a loss of sense of smell. In South Korea, approximately 30 percent of cases have anosmia as a symptom. You should consult a doctor immediately and inform him of your symptoms. He will take a detailed history and refer you for further investigations, if required. This is even more crucial if you have previous contact history with a COVID-19 positive patient.

A one year old child can take chlorpheniramine for a runny nose. The dosage needed is dependent on the child's weight. Please consult your doctor on the dosage to be given.