The lingering second COVID-19 wave and the current weather — combination of high heat and humidity prevailing across some parts of India — has prompted doctors to caution the general public to strictly follow COVID-19 appropriate behaviour to ensure that places with common air conditioning and poor ventilation do not prove to be a super-spreader zone. “General measures like cleaning hands with sanitizer or soap, avoiding crowded places, maintaining social distance, getting vaccinated and wearing masks are protective regardless of weather continue to be vital,’’ said Anurag Aggarwal, Associate Consultant Internal Medicine, QRG Health City, Faridabad.