The Electronic Vaccination Data System (EVDS) is called "the official South African Covid-19 Vaccination Programmer registration portal", but it is in fact so much more than a registration portal. EVDS is a complex management system that uses the data you enter (your age, your address, your contact details etc.)
Data collection will be through primary data such as telephonic surveys ,DOH register, EVDS(electronic Vaccination Data system) and Questionnaires.
That's right hey.Vaccine effectiveness utilize multiple sources of vaccine history data (e.g., medical records, state and jurisdiction vaccine registries, vaccination cards to minimize bias.
IN our Questionaries' we and ask about Nominal data: sex of patient (male or female), social economic status These test for frequencies and proportions and represented in bar or pie charts.Interval data : Age, number of participants in each strata, number of individuals that got Covid-19 post Vaccination.Testing for mode, median ,mean and standard deviation. Signs and symptoms of Covid-19 Post Vaccine and Side Effects of Vaccine