Web24 okt. 2024 · Most experts believe that flu viruses spread mainly by tiny droplets made when people with flu cough, sneeze, or talk. These droplets can land in the mouths or … Web13 mei 2024 · Cholera is an infection caused by the bacteria Vibrio cholerae. More often than not, the bacteria is transmitted via contaminated water or food that has come into contact with contaminated water....
What you need to know about the avian influenza outbreak
Web14 jul. 2024 · Current evidence suggests that COVID-19 spreads between people through direct, indirect (through contaminated objects or surfaces), or close contact with infected people via mouth and nose secretions. These include saliva, respiratory secretions or secretion droplets. These are released from the mouth or nose when an infected person … Web24 okt. 2024 · Dengue is a mosquito-borne viral infection causing a severe flu-like illness and, sometimes causing a potentially lethal complication called severe dengue. The incidence of dengue has increased 30-fold over the last 50 years. Up to 50-100 million infections are now estimated to occur annually in over 100 endemic countries, putting … church england news
Why are only some viruses transmissible by blood and how are …
WebInfluenza (the flu) is a viral infection that causes symptoms like fever and chills, sneezing, coughing and a sore throat. The flu can be serious for some people, but if you are otherwise fit and healthy you usually don’t need to see a doctor. There is a vaccine available for the flu, and it’s recommended that everyone over the age of 6 ... Web1 okt. 2024 · The influenza virus or the flu is a common cause of viral pneumonia. The virus spreads easily from person to person, causing a range of symptoms and conditions. Less common causes of... Web28 mrt. 2024 · Influenza is caused by a virus that is transmitted from person to person through airborne respiratory secretions. An outbreak can occur if a new strain of influenza virus emerges against which the population has no immunity. The influenza pandemic of 1918–19 resulted from such an occurrence and affected populations throughout the world. deutz f2l912 workshop manual pdf