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Saturday, May 9, 2020

SARS Outbreak

File:SARS virion.gif
An electron microscopic image of a thin section of SARS-CoV
within the cytoplasm of an infected cell, showing the spherical
 particles and cross-sections through the viral nucleocapsid.
Photo Credit: Content Providers(s): CDC/C.S. Goldsmith
Source: https://www.cdc.gov/sars/lab/images.html
The 2002-2004 SARS outbreak was an epidemic involving severe acute respiratory syndrome (SARS) caused by severe acute respiratory syndrome coronavirus (SARS-CoV or SARS-CoV-1). The outbreak was first identified in Foshan, Guangdong, China, on November 16, 2002.

There were over 8,000 people from 29 countries and territories were infected and 774 died worldwide. The significant part of the outbreak lasted for 8 months since the World Health Organization declared SARS held on 5 July 2003. But, several SARS cases were reported until May 2004.

The ongoing COVID-19 pandemic is caused by SARS-CoV-2, a strain of coronavirus related to the one which causes SARS.


Symptoms of SARS CoV involve fever, cough, severe headache, dizziness and other flu-like illnesses. The illness presents as atypical pneumonia that seems not to react to regular treatments. There were 8,098 confirmed cases of SARS from November 2002 to July 2003, with 774 deaths.

SARS map.svg
A map of the infected countries of the epidemic of SARS between 2002-11-01 and 2003-08-07.    Countries with confirmed deaths    Countries with confirmed infections    Countries without confirmed cases
SARS map by Maximilian Dörrbecker (Chumwa) is licenced under the Creative Commons Attribution-Share Alike 4.0 International, 3.0 Unported, 2.5 Generic, 2.0 Generic and 1.0 Generic license.

Here is a table by Wikipedia showing Probable cases of SARS by country and territory.
Probable cases of SARS by country and territory,
1 November 2002 – 31 July 2003[4]
Country or regionCasesDeathsFatality (%)
Mainland China[a]5,3273496.6
Hong Kong1,75529917.0
Taiwan[b]3467321.1
Canada2514317.1
Singapore2383313.9
Vietnam6357.9
United States2700
Philippines/14214.3
Thailand9222.2
Germany900
Mongolia900
France7114.3
Australia600
Malaysia5240.0
Sweden500
United Kingdom400
Italy400
India300
Korea300
Indonesia200
South Africa11100.0
Kuwait100
Ireland100
Macao100
New Zealand100
Romania100
Russia100
Spain100
Switzerland100
Total excluding China2,76945416.4
Total (29 territories)8,0968109.6
  1. ^ Figures for China exclude Hong Kong, Macau and Taiwan, which are reported separately by the WHO.
  2. ^ After 11 July 2003, 325 Taiwanese cases were 'discarded'. Laboratory information was insufficient or incomplete for 135 of the discarded cases; 101 of these patients died.

Overview

In November 2002, doctors in the Guandong province of southeastern China started to see the first cases of what would become recognised as SARS or 'severe acute respiratory syndrome'. Over the next several months, 8,096 people in 26 countries caught the new viral illness, leading 774 deaths. Although the slow broadcasting of initial SARS cases improved the illness spread, globally-enforced medical practices finally helped end the outbreak. 

SARS Virus, 2003
People wearing masks to protect against the SARS virus in Hong Kong's Mass Transit Railway on March 31, 2003. The death toll at the time of this photograph was 13 with 530 people infected. The reasons for the slow reporting of SARS are difficult. Doctors had never seen the viral illness before, and, those in Guangdong province thought the SARS cases they were seeing might be atypical pneumonia.
Peter Parks/AFP/Getty Images
Credit: History.com


Arnold S. Monto, a professor of epidemiology and global public health at the University of Michigan says, 
“Nobody was aware of it, including probably people in Beijing”. Even after doctors began to realise that there was something new about the illnesses they were seeing, “it was kept locally for a while, which was one of the problems.”

There were also reports that officials may have encouraged doctors not to announce new cases when SARS spread to Beijing. In April 2003, Time magazine received a letter from Jiang Yangyong, a physician at an army hospital in Beijing, declaring the actual number of SARS cases in the capital city was much higher than the official count. This turned out to be true, and Chinese officials released the real numbers that month (and also began to monitor Jiang).

Want to read more? Continue reading the 'history.com' article.

References:

Friday, May 8, 2020

The Coronavirus Pandemic

Novel Coronavirus SARS-CoV-2
by NIAID is licensed under CC BY 2.0
The Coronavirus disease (COVID-19) is an infectious disease caused by SARS-COV-2 (severe acute respiratory syndrome coronavirus 2). This deadly virus was first identified in Wuhan (China's Hubei province capital), China and has spread globally, resulting in an ongoing pandemic. As of 6 May 2020, more than 3.91 cases have been reported across 187 countries and territories, rising more than 258,000 deaths. More than 1.24 million people have recovered.

For more information about the dangerous virus, please look at the slide.



References:

The Cardio-Vascular system

Welcome to another post on my blog. In today's post, I am sharing a task that I completed in Physical Education. I again had a Google Meet and got taught about the Cardio-Respiratory System, about the heart and how deoxygenated and oxygenated blood travels through our heart and body. I learnt that 'Blood is pumped by the heart through the arteries. Each time the heart beats it sends a wave of blood through the arteries, this wave creates the pulse' and our heart pumps about five quarts (~ 6 litres) every minute and it beats about 100,000 times in one day, that about 36.5 million beats in a year.

The class were given 'research questions' to do.

What does the heart look like?
Anatomy of Human Heart
Michigan Health Blog
The heart is a muscular organ in our body, which is the size of our fist. It pumps blood through the blood vessels of the circulatory system. Blood provides the body with oxygen and nutrients.

Why do we need blood to be pumped around the body?
The aim of your heart is to pump blood to the organs and tissues of your body that require the oxygen and nutrients it provides. Oxygen-rich blood is pumped out of the left side of your heart into the arteries to these tissues and organs.

What is blood pressure?
When your heart beats, it pumps blood around your body to give it energy and oxygen it needs. It's often measured for diagnosis since it's closely related to the force and rate of heartbeat and the diameter.


Why does your pulse increase when you exercise?
When you start exercising, our heart will contract faster and circulation will increase, which gets oxygenated blood to your muscles quicker. While you are exercising, your muscles require extra oxygen, some times three times as much as resting muscles. 


References:

Wednesday, May 6, 2020

Heart and Circulatory System

Welcome to another post on my blog. I am sharing my completed task for Biology - Medical Science. The fourth part of Medical Science is the Heart and Circulatory System. I hope you like it.

Monday, May 4, 2020

A New Zealand Physicist Known as 'The Father of Nuclear Physics'

Welcome to another post on my blog. In today's post, I am sharing a scientist who is 'The Father of Nuclear Physics' and that is Ernest Rutherford.

Ernest Rutherford
ALEXANDER TURNBULL LIBRARY
Ernest Rutherford was born on 30 August 1871, Spring Grove (now known as Brightwater), rural Nelson, New Zealand and was the fourth child of 12 born to James Rutherford, a mechanic, and his wife, Martha Thompson, who had been the schoolteacher at Spring Grove. Martha believed 'all knowledge is power', who made sure that her children had a good education.

After gaining three degrees at Canterbury College in Christchurch, Rutherford won an exhibition of 1851 scholarship and used it to study at the Cavendish Laboratory of the University of Cambridge.

In 1898, he accepted a professorship at McGill University in Montreal, returning to New Zealand for a short time to marry Mary Newton, the daughter of his former landlady. It was McGill University that Ernest made the first of three major discoveries of his career: the discovery that atoms of heavy elements have a tendency to decay. This heralded the 'carbon dating' technique is still important in science up to this date.

Rutherford returned to England in 1907 to be the Professor of Physics at Manchester University. Where he produced his second breakthrough, a model of the atom as a tiny nucleus surrounded by orbiting electrons.

In 1917, Ernest Rutherford claimed that he had 'broken the machine and touched the ghost of matter'. In this third major breakthrough, he had succeeded in 'splitting' the atom, making him the world's first successful alchemist. This research was published in 1919, the same year he becomes Director of the Cavendish Laboratory.

On his final trip to New Zealand in 1925, Ernest Rutherford was received as a national hero and gave talks to packed halls around the country. His call for the government to support education and research helped drive the establishment of the Department of Scientific and Industrial Research (DSIR) the following year.

Flora, fauna and fungi on the other side of our new bank notes ...
Ernest Rutherford on the $100 note of New Zealand
In December 1908, Ernest was awarded the Nobel Prize for his “investigations into the disintegration of the elements" or simply, for helping establish the principles of radioactivity. He was knighted in 1914, decorated with the Order of Merit (OM) in 1925 and made a Baron in 1931, choosing for his coat of arms a design that included a kiwi and a Māori warrior.

Many scientific institutions, streets, school houses bear his name and his image appears on the $100 note and on a stamp issued by New Zealand Post in 2008. He is the only New Zealander to have an element, rutherfordium, named in his honour. (The mineral rutherfodine is also named after him.)


Rutherford died on 19 October 1937 in Cambridge, United Kingdom of difficulties from a hernia.


References:


I hope you learnt something new and liked my post. Have a nice day!! Bye!!

Sunday, May 3, 2020

Graphing | Sustainability

Welcome to another post on my blog. Today I finished another task for the Sustainability hurumanu. I still continue on the Maps & Map Skills topic. The second topic was about Mapping Task after doing the FACKTS task. First, I learnt about graphs and types of graphs (Bar & Column, Histogram, Scatter, Pie and Line Graph). Secondly, I learnt about FAULTSPK (F - Frame, A - Axis,  U - Unit, L - Labels, T - Title, S - Scale, P - Plot and K - Key). After reading all of the information I had to complete the given task.

The task was to Use the following information to create a Line Graph.

Change of population in “Mythical Country” between 1990 - 2010.
1990 - 100,000
1995 - 104,000
2000 - 107,000
2005 - 112,000
2010 - 115,000


I had to create my graph on Google Drawing via Google Docs, I hope you like it.



I hope you like my post. Have a nice day!! Bye!!

Friday, May 1, 2020

My Active Lifestyle During Lockdown

Welcome to another post on my blog. In today's post, I am sharing the task that I completed for Physical Education. We had a Google Meet meeting and was told about our task. The task was to learn how to take our pulse and see what happens when we exercise.

We were taught how to check our pulse. Here's how to check your own pulse.
  1. Turn your hand so that your palm is facing upwards.
    1. Now place the three middle fingers from your other hand over your wrist below the base of your thumb.
    2. Press lightly to feel the pulse under your fingers. If you can't feel anything press slightly harder.

    I put a timer for 30 seconds and checked my resting pulse. It beeped 30 times for 30 seconds. Next, I went and ran outside then checked my pulse again. My active pulse was 37 times in 30 seconds.


    I hope you liked my post. Have a nice day!! Bye!!