PEQUIM – China’s two most widely used COVID-19 vaccines, developed by Sinovac and Sinopharm, were shown to be effective against the Delta variant of the coronavirus, a study based on real-world data in the country showed on Tuesday. The two vaccines were 52% effective against Delta infection and 60% for symptomatic disease, researchers wrote in a peer-reviewed paper. The study …

  Delta Variant Symptoms Are Similar The Delta strain does have similar symptoms to the original COVID strain but there are some important differences. Até aqui, perda de paladar e olfato não são conhecidos como sinais comuns da variante Delta. Os sintomas comuns associados ao Delta são: • Sore throat • Runny nose • Fever • Headaches While fever …