A vaccine works the immune system to recognize and combat pathogens, either viruses or bacteria. To this do the certain molecules from this pathogen must be introduced to the human body to trigger in an the immune responses. Then these are called as the antigens, they are present of all the bacteria. By the injecting these are the antigens into the body by the immune can safely can learning to the recognize them as hostile invaders, produce antibodies, remember the future. If then the bacteria of virus reappears, the immune system immediately and attack aggressively as well as the before the pathogen spread and cause sickness.

POLIO VACCINE – CDC recommends for the children gets of the four doses of polio vaccine. They are should one dose of the following ages which is he 2 months, months old, 6 to the 18 months of old, and 4 to 6 years old children. Why polio dose is important of vaccine? – The children’s are united state should inactivated polio vaccine to protect against by the polio or poliomyelitis. They should gets the four doses. One doses at each following ages are the – 2 months. 4 months 6 months 4 through 6 year old

When the children who is travelling to a country where risk of getting polio icon should complete the series are the leaving for the trip. If a children are not to be series before leaving, an accelerated as follows.

1 dose of the age 6 weeks The second dose of 4 more weeks after first dose. The third dose 4 more weeks after second The fourth dose of 6 more months after the third dose.

Over 100 studies are the way to find of vaccine for COVID -19. Vaccination is the one of the world’s most successful health intervention, saving as many as 3 million lives every year. But the further 1.5 million death of year could be avoided with the improved global coverage. Cost of the conflict and vaccine hesitancy are the barriers. Vaccination is the most of successful important development in the human health and saving million of lives a year, according to the world health organization.

In the china where as the outbreak was the first reported are the five vaccine already being in of the human and government say that is in of the ready to end of year. Now the transition is reduce to a reduced serum the medium for human diploid cells without sacrificing cells growth expression, The reduced medium is a combination of two medium which is support to vaccine manufacture under serum free condition with diploid cells such as the growth may be the accomplish with 2% Serum free.

some time to take for cure with the help of vaccine against the diseases – The vaccine is may be month or a year of to the complete, then since a sufficient time of period must be elapse for the subjects to read the vaccine and develop the required antibodies.

BENEFITS – he vaccine is can be freeze dried stored because there no risk killing the pathogen as there is with live attenuated vaccine, they are also safer without any risk of the virus or Bactria mutating back into its the diseases causing forms.

The ancient world

Control of fire by early humans - Wikipedia

The invention of the first tools in the 2 million year ago was the moment when human kind started to distinguish itself from all other species on the planet. It took they found other ingenious way to control fire, build shelter, and make items of clothing,but the idea kept coming, and the invention that followed by the resulted in full civilization. Lets see about some examples for this world invention.

  1. Stone Tools : –
Exciting stone tool find in Kenya - BBC News

The stone tool it is the first human invention consisted of sharp flint. found and used in their state by primitive people, who the went on to purposely sharpen tones the practice reaches back to the very dawn of humankind stone tools found in 1969 in Kenya are establish to be 2,600,000 year old. The principle types of tools which appeared in the paleolithic period and varied in size and appearance, are known as core, flake, and blade tools. the core tools. The core tools are the largest and most primitive, and were made by working on a first-size piece of rock or stone with similar rock and knocking large flake off one side to produce a sharp crest. This was general purpose implement used for hacking, pounding or cutting.Eventually thinner and sharper core tools were developed which were most useful.

2. Clothing :- Early human covers their nakedness.

Is Violence What Made Humans Smarter than Other Animals? – The ...

Around a 400.000 years ago homo sapiens devised a solution to protect the vulnerable naked human body from the environment – clothes. Anthropologist believe the earliest clothing was made from the fur of hunted animal or leave creativity wrapped around the body to keep out the cold ,wind and rain. Determining the date of this invention is difficult, although sewing needles made from animal bone dating from about 30,000 has been founded by archeologists. However, genetic analysis of human body lice reveals that they evolved at the same time as clothing. Scientists originally thought the lice evolved 107,000 years ago, but further investigation placed their evolution a few hundred thousand years earlier. Clothing has change dramatically over the centuries although its ancient role as an outward indication of the status, wealth and beliefs of the wears is as important as ever. During the industrial revolution the textile industry was the first to be mechanized, enabling increasingly elaborate designs to be made at faster rate.

3. Fishhook :- Early human discover how to retain caught fish.

The word are their no fish-hand account documenting their concept of use. The fish hook is one of the ingenious conception of early man and is one of the important success of human than most us of would suspect.

there is in one of the example so far found by archeologists date from around 35000 appearing well before the advent of metalworking, early fish hook from durable material of organic origin such as bone, shell, animal horn and wood. with addition of verity of baits on the hook, prehistoric man gained access. previously largely denied, to an easy source of energy loaded with a protein and fat. Over thousand of year the technology of fish hood has evolved to optimize prey attraction, retention and retrieval. the very earliest fish hooks of all though to have been made from wood.