Covid 19: The Third Wave and the Development of Vaccines

Abstract

Objectives of the Study: The objective of the study was to evaluate the role of vaccines for Covid 19 (Corona virus) treatment and control. Study Design: The study was conducted in a private hospital of Karachi situated in an upper middle class locality. This was a six months study conducted from July 19, 2021 to January 15, 2022 both days included. Sampling Procedure and Sample: A total 278 Covid 19 suspected patients were selected consecutively over the specified period. reporting at the OPD of the hospital were included in the study.  After screening the total number of confirmed cases were 241 out of which 38 were vaccinated and 203 were non-vaccinated. Inclusion Criteria: Vaccinated and non-vaccinated of all suspected cases of Covid 19 of all age groups showing the primary suspected symptoms of Covid 19. Data Analysis: Data was analyzed by using SPSS 23 and Excel software applications. Result: A total of 241 patients were confirmed of suffering from Covid 19. 157 of them were completely cured after one month while 12 were completely cured after 45 days. Diagnosis of 35 patients was done at stage II and all of them were completely cured after 45 days. The values of R (0.974), R2 (0.948)and adjusted R2  (0.946) indicate that the independent variables support the dependent variable by 97.4%, 94.8% and 94.6% respectively. The Durbin Watson value (0.328) indicates that there is a strong positive relationship between the independent variables and dependent variable. The P / Sig value of zero indicates that the result is significant. Conclusion: Vaccines does play a role in reducing the incidence and severity of signs and symptoms of Covid 19 cases. The basic recommended SOPs should be followed while awareness for vaccination should also be widely spread. The new variants and mutation of virus is posing threats and uncertainty

Keywords

COVID19, first wave, second wave, third wave, vaccines