While recovering from COVID-19, there are many things that a person must keep in mind in order to regain health. Dr Prashant Saxena, Associate Director and Head, Pulmonology and Sleep Medicine; Associate Director, Critical Care, Max Smart Super Speciality Hospital said that it takes about two to four weeks for mild cases to recover while severe cases can take up to two to three months to return to normalcy. Here are some of the commonly asked questions answered by Dr Saxena about post-COVID recovery and vaccines.