Diseases, Conditions, Syndromes

What to expect for the flu, RSV and COVID-19 respiratory season

Influenza, respiratory syncytial virus (RSV), and COVID-19 are all part of the seasonal respiratory virus lineup. According to the Centers for Disease Control and Prevention (CDC), the upcoming fall and winter are expected ...

Diseases, Conditions, Syndromes

COVID restrictions may have contributed to increase in RSV infections

Annual spikes in infections from the respiratory syncytial virus—or RSV—are usually so predictable that "you can set your clock" by it, says Yale School of Public Health Associate Professor of Epidemiology (Microbial ...

Diseases, Conditions, Syndromes

What you should know about the flu season ahead

The Centers for Disease Control and Prevention has warned that this year's flu season could be especially rough. But in Chicago and many parts of the United States, current flu activity is extremely low. Should we still be ...

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Southern Hemisphere

Coordinates: 45°0′0″S 0°0′0″E / 45°S 0°E / -45; 0

The Southern Hemisphere is the half of a planet that is south of the equator—the word hemisphere (from the greek word σφαιρα (sphere) +ημι(half)) literally means 'half ball'. It is also that half of the celestial sphere south of the celestial equator.

Earth's southern hemisphere contains all or parts of four continents (Antarctica, Australia, parts of South America and parts of Africa), four oceans (South Atlantic, Indian, South Pacific, and Southern) and most of Oceania. Several islands off the Asian continental mainland are also in the Southern Hemisphere. Due to the tilt of Earth's rotation relative to the Sun and the ecliptic plane, summer is December 21 to March 21 and winter is June 21 to September 21. September 22 is the vernal equinox and March 21 is the autumnal equinox.

This text uses material from Wikipedia, licensed under CC BY-SA