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China is grappling with an outbreak of infections from a new coronavirus that began in December.

The flu is a disease, accompanied mankind for centuries, but it remains a serious medical and social problem in our days. The flu can be manifested in the form of pandemics, epidemics, local outbreaks and isolated cases. Worst flu epidemics caused by type A influenza virus.The flu epidemics occur almost every year. The main factors that determine the risk of disease are: level then its predecessor specific immunity and age of infected them - the final ages are extremely susceptible to infection. Complications of influenza are mainly from the lungs, and less of the nervous system. They are more common in patients of advanced age.

EPIDEMICS' TIMING DETERMINED BY LATITUDEGoing back to 1945, Hope-Simpson discovered that influenza epidemics above 30 degrees latitude in both hemispheres occurred during the six months of least solar radiation and that outbreaks in the tropics almost always occured during the rainy season. He thus concluded, "Latitude alone broadly determines the timing of the epidemics in the annual cycle, a relationship that suggests a rather direct effect of some component of solar radiation acting positively or negatively upon the virus, the human host, or their interaction." That is, something may be regularly reducing our immunity every fall and winter. In 2003 researchers confirmed that influenza epidemics in the tropics occur, with few exceptions, during the rainy season, when vitamin D levels should be falling

We all know about Ebola virus disease outbreak in West Africa. Without any doubt, the news has scared all of us. And this brings us to the question of awareness about Ebola virus. Instead of just watching the news and getting scared, it is better to find out what we can do to prevent it.

Ebola virus disease (EVD) generally spreads from wild animals to human and later transmitted from human to human. It can cause severe, serious illness which could be deadly if untreated.

Ebola virus disease (EVD) generally spreads from wild animals to human and later transmitted from human to human. It can cause severe, serious illness which could be deadly if untreated.