Impact of SARS-CoV-2 variant on the severity of maternal infection and perinatal outcomes
The first wave of COVID-19 is estimated to have started in March 2020 and ended at the end of May 2020. • The second wave of COVID-19 is estimated to have started at the beginning of September 2020; there was an initial peak in mid-November after which infection levels decreased before rising again in December following the emergence of the Alpha variant; the wave peaked in early January 2021 and ended at the end of April 2021. • The third wave (Delta) July to September 2021. Vaccination recommended for all adults.
covid-19 , coronoavirus , Maternal outcomes , Neonatal outcomes