The best preventive measures against COVID-19 include boosting your own immunity and adopting the hygiene practices recommended by health authorities.
What Are the Best Practices in COVID-19 Pandemic?
The best practices during the COVID-19 pandemic include boosting your own immunity to fend off potential viral infection, keeping excellent personal hygiene, practicing social distancing, wearing a high-quality mask, and keeping good ventilation indoors. 
According to almost all national health regulators around the world, receiving COVID-19 vaccines can also prevent severe COVID-19 symptoms and deaths. However, some doctors and health organizations question the effectiveness and safety of these vaccines, given the many side effects and adverse events after COVID-19 vaccination. Several national authorities have also paused the use of certain vaccines for younger age groups. …