So the question you asked me about was malaria. The burden of malaria, clinically in what's called a referral center in Northern Tanzania. I worked here for 10 years, originally from 83 to 92 as a physician and I've come back in the same position since 2006 and also as a neurologist. So I will have seen malaria in both eras as a track. So, the significant thing is that the disease clinical malaria in adults has decreased hugely over that 30-year period. There's been a dramatic decrease in clinical malaria in patients admitted to KCMC. Now, the area of Kilimanjaro Christian Medical Center is situated in Moshi. Moshi is at an altitude of 3,000 feet, roughly. And we serve the Kilimanjaro mountain population, which is well over a million and it's hinterland. But traditionally, we are a low malaria area. We're called an unstable area. In other words, malaria can dramatically increase seasonally and then go away between the seasons and that's corresponding to mosquito breeding patterns during the rainy season, increase and then having enough infected cases in the community to infect other numbers. So in some ways, we're elitist for malaria generically in Tanzania. And as I say, the dramatic thing is the decrease in clinically malaria and we see that with patients presenting with anemia, fevers and positive blood slides. Of course, now there's a sensitive test based on malaria antigen, which we're using for screening, which is even more sensitive than microscopy or at least microscopy done in the field, as it were. So, we're using both now. And certainly, we've seen I think almost ten fold increase in malaria. A very good index of it is a disease, which we call cerbal malaria. Cerbal malaria is a relatively rare complication of clinical malaria, less than 1%. Now I as a neurologist would have seen the disease and in my ten years here from 83 to 92, I had no difficulty. I think I had at that time about 120 cases and they did behind mortality there. Since 2006, I have difficulty remembering a clinical case of summary malaria. That's a huge decrease in summary malaria as an index, overall index of what we call clinical malaria. So commensurate then with this decrease in malaria in the community, we're seeing a decrease in the burden of clinical malaria in admission patients. We attribute this to the actomyosin drugs, which are widely available now and cheap or free at the point of utilization. And of course, what we call public health measures to decrease transmission from mosquito to person, i.e., bed nets. The combination of the two are extremely effective in decreasing the birth of malaria in an area that had a high malaria burden in the past. And personally, I've lived in the area for almost 20 years now and I've never taken malaria prophylaxis and my family when they were here for 10 years, didn't either. My son who grew up as a baby here for the first ten years of his life, he had malaria that time. But of course, so I'm just saying that its always been a relatively low transmission area, but it has decreased from low transmission being unstable going up in the rainy season to being much much less