Diseases, Conditions, Syndromes

Coronavirus cases worldwide top 65 million

More than 65 million cases of the novel coronavirus have been detected worldwide, according to a tally from official sources compiled by AFP at 0750 GMT on Friday.

Diseases, Conditions, Syndromes

The connection between smoking, COVID-19

It's common knowledge that smoking is bad for your health. And, when it comes to the COVID-19 pandemic, the side effects of smoking and the behaviors of people who smoke or vape could create a one-two punch.

Diseases, Conditions, Syndromes

South Africa begins return to tougher lockdown measures

South Africa has begun a return to tougher lockdown restrictions for COVID-19 hotspots as it experiences a resurgence of new coronavirus infections, with more than 4,400 new cases in the past 24 hours.

HIV & AIDS

How the vaginal microbiome may affect HIV prevention

Healthy Lactobacillus bacteria in the vagina are critical for women's health, but the accumulation of additional bacterial genera can imbalance the vaginal ecosystem. Such an imbalance may result in bacterial metabolism of ...

Diseases, Conditions, Syndromes

Iran surpasses one million COVID-19 cases

Iran said its novel coronavirus caseload surpassed one million on Thursday, as the authorities consider easing restrictions in many parts of the Middle East's hardest hit country.

Diseases, Conditions, Syndromes

Germany extends virus curbs to January 10: Merkel

Germany will keep its cultural and sporting facilities as well as restaurants and bars shut until January 10, Chancellor Angela Merkel said Wednesday, extending shutdown measures to curb transmission of the coronavirus.

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Infection

An infection is the detrimental colonization of a host organism by a foreign species. In an infection, the infecting organism seeks to utilize the host's resources to multiply, usually at the expense of the host. The infecting organism, or pathogen, interferes with the normal functioning of the host and can lead to chronic wounds, gangrene, loss of an infected limb, and even death. The host's response to infection is inflammation. Colloquially, a pathogen is usually considered a microscopic organism though the definition is broader, including parasites, fungi, viruses, prions, and viroids. A symbiosis between parasite and host, whereby the relationship is beneficial for the former but detrimental to the latter, is characterised as parasitism. The branch of medicine that focuses on infections and pathogens is infectious disease. "When infection attacks the body, anti-infective drugs can help turn the tide of battle. Four types of anti-infective drugs exist: antibacterial, antiviral, antitubercular, and antifungal. A secondary infection is an infection that occurs during or following treatment of another already existing primary infection.

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