When was COVID-19 first reported?
When did WHO declare COVID-19 a pandemic?
When did India announce first COVID lockdown?
When was first COVID vaccine approved?
When did SARS outbreak begin?
When did SARS outbreak end?
When did MERS outbreak begin?
When did Ebola outbreak begin (West Africa)?
When did Ebola outbreak end?
When was Spanish Flu pandemic?
When did Spanish Flu end?
When did H1N1 outbreak begin?
When did WHO declare H1N1 pandemic?
When did Zika virus outbreak begin?
When did Zika emergency declared?
When was first polio vaccine developed?
When was smallpox eradicated?
When did cholera pandemic start (7th)?
When did HIV/AIDS identified?
When did HIV/AIDS peak globally?
When did WHO declare Ebola emergency?
When did COVID vaccination start globally?
When did Omicron variant detected?
When did Delta variant spread?
When did Monkeypox outbreak declared?
When did Monkeypox first case reported?
When did WHO end COVID emergency?
When did Ebola re-emerge?
When did Nipah virus outbreak India?
When did bird flu outbreak India?
When did swine flu outbreak India?
When did plague outbreak India?
When did tuberculosis emergency declared?
When did yellow fever outbreak?
When did malaria eradication program start?
When did dengue outbreak India?
When did WHO formed?
When did COVID second wave India?
When did COVID first wave India?
When did COVID third wave India?
When did booster vaccine start?
When did WHO declare pandemic end?
When did first quarantine law?
When did Black Death start?
When did Black Death end?
When did cholera first pandemic?
When did measles vaccine introduced?
When did COVID Omicron wave peak?
When did global lockdown peak?